MEDIUM: Revert "BUILD: test with docker image"

This reverts commit 5c82d09e9130cc8a062c57a2f9a0621dd8920eb2.

Author: aiharos

.github/workflows/main.yml

@@ -23,5 +23,13 @@ jobs:
         with:
           ref: master
 
-      - name: check-commit
-        uses: docker://aiharos/check-commit:latest
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+
+      # Runs a set of commands using the runners shell
+      - name: Run a multi-line script
+        run: |
+          git clone -b git_envs https://github.com/aiharos/github-actions.git
+          cd github-actions/check-commit; go run check.go "../../."