remove build-number action

.github/workflows/build.yml

@@ -15,10 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Generate build number
-      uses: Team-Fruit/build-number@v2
-      with:
-        token: ${{secrets.github_token}}
     - name: Set up JDK 1.8
       uses: actions/setup-java@v1
       with:
@@ -37,7 +33,7 @@ jobs:
         GH_TOKEN: ${{secrets.github_token}}
       run: |
         export TRAVIS_TAG=$(bash -c "if [[ ${GITHUB_REF} == refs/tags/* ]] ; then echo ${GITHUB_REF##*/} ; else echo ; fi")
-        export TRAVIS_BUILD_NUMBER=${BUILD_NUMBER}
+        export TRAVIS_BUILD_NUMBER=${GITHUB_RUN_NUMBER}
         chmod a+x ./gradlew
         ./gradlew clean setupCIWorkspace --continue
         ./gradlew build githubRelease curseforge publish --continue