Revert "try adding CI"

This reverts commit b48521f.

.github/PULL_REQUEST_TEMPLATE.md

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+Please read [our contributing guide](https://github.com/graphhopper/graphhopper/blob/master/CONTRIBUTING.md) and note that also your contribution falls under the Apache License 2.0 as outlined there.
+
+Your first contribution should include a change where you add yourself to the CONTRIBUTORS.md file.

.github/workflows/build.yml

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+name: Build and Test
+on: push
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        java-version: [ 20, 21-ea  ]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java-version }}
+          distribution: temurin
+      - name: Cache Maven artifacts
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Cache node
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os}}-node-
+      - name: Cache node_modules
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node_modules
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml', '**/package.json') }}
+          restore-keys: |
+            ${{ runner.os}}-node_modules-
+      - name: Build ${{ matrix.java-version }}
+        run: mvn -B clean test
+

.github/workflows/publish-github-packages.yml

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+name: Publish to GitHub Packages
+
+# ignore tags as the untagged commit has the same GITHUB_SHA and would conflict
+on:
+  push:
+    branches:
+    - '**'
+
+jobs:
+  publish:
+    if: github.repository_owner == 'graphhopper'
+    runs-on: ubuntu-20.04
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: 17
+          distribution: temurin
+      - name: Cache Maven artifacts
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Cache node
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os}}-node-
+      - name: Cache node_modules
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node_modules
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml', '**/package.json') }}
+          restore-keys: |
+            ${{ runner.os}}-node_modules-
+      - name: Build and publish package ${{ matrix.java-version }}
+        # special 'wagon' option due to https://github.com/orgs/community/discussions/49001
+        run: |
+          mvn -B versions:set -DnewVersion=$GITHUB_SHA -DgenerateBackupPoms=false
+          mvn -Dmaven.resolver.transport=wagon -B -DskipTests -Pskip-shaded-web-jar -Pskip-tools-jar source:jar deploy
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/publish-maven-central.yml

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+name: Publish to Maven Central
+
+on:
+  push:
+    tags:
+    - '**'
+
+jobs:
+  maven-central-publish:
+    if: github.repository_owner == 'graphhopper'
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: 8
+          distribution: temurin
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          # feed directly as multi line value
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: GPG_PASSPHRASE
+
+      - name: Cache Maven artifacts
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Cache node
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os}}-node-
+      - name: Cache node_modules
+        uses: actions/cache@v3
+        with:
+          path: web-bundle/node_modules
+          key: ${{ runner.os }}-node-${{ hashFiles('**/pom.xml', '**/package.json') }}
+          restore-keys: |
+            ${{ runner.os}}-node_modules-
+      - name: clean install
+        run: |
+          mvn -Dkey=$API_KEY clean install -B
+
+      - name: Build and publish package to maven central ${{ matrix.java-version }}
+        run: |
+          echo "release to maven central"
+          mvn -B versions:set -DnewVersion=$GITHUB_REF_NAME -DgenerateBackupPoms=false
+          mvn deploy -P release -DskipTests=true -Dpgp.secretkey=keyring:id=0E2FBADB -B
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

.github/workflows/remove-old-artifacts.yml

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+name: Remove old artifacts
+on:
+  schedule:
+    - cron: '0 3 1 * *' # Every 1st of the month at 3am
+  workflow_dispatch:
+jobs:
+  remove-old-artifacts:
+    if: github.repository_owner == 'graphhopper'
+    name: Remove old artifacts
+    runs-on: ubuntu-latest
+    timeout-minutes: 10 # stop the task if it takes longer
+
+    steps:
+    - name: Remove old artifacts
+      uses: c-hive/gha-remove-artifacts@v1
+      with:
+        age: '11 months'
+        skip-tags: true
+        skip-recent: 10

.github/workflows/trigger-benchmarks.yml

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+name: Trigger Benchmarks
+on: push
+jobs:
+  trigger_measurement:
+    if: github.repository_owner == 'graphhopper'
+    runs-on: ubuntu-22.04
+    environment: benchmarks
+    steps:
+      - name: trigger
+        run: |
+          curl -X POST -H "Authorization: token ${{ secrets.BENCHMARKS_TOKEN }}" \
+          -H "Accept: application/vnd.github+json" \
+          "https://api.github.com/repos/${{ secrets.BENCHMARKS_REPO }}/dispatches" \
+          -d '{"event_type":"measurement_core","client_payload":{"core_commit": "'$GITHUB_SHA'", "core_branch": "${{ github.ref_name }}" }}'