Remove `go-kit` from being used in the core code #27

	# keeping the legacy CI around for backwards compatibility checks on v1
	name: CI (Legacy)

	on:
	push:
	branches: [ main ]
	pull_request:
	types: [opened, reopened, synchronize]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	build-test:
	name: Build, test & format
	strategy:
	matrix:
	go-version: [1.16.x, 1.17.x, 1.18.x]
	platform: [ubuntu-latest]
	runs-on: ${{ matrix.platform }}
	steps:
	- uses: actions/checkout@v3

	- name: setup go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}

	- name: Build
	run: go build -v ./...

	- name: Test
	run: go test -v ./...

	- name: Format
	if: matrix.platform == 'ubuntu-latest'
	run: if [ "$(gofmt -s -l . \| wc -l)" -gt 0 ]; then exit 1; fi

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