removed main branch checking for 1st run (#109)

Author: farhanW3

.github/workflows/tagBasedImageBuild.yml

@@ -11,17 +11,6 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-        with:
-          fetch-depth: 0 # This fetches all history for all tags and branches
-
-      - name: Verify tag is on main branch
-        run: |
-          TAG_COMMIT=$(git rev-list -n 1 ${{ github.ref }})
-          MAIN_BRANCH_COMMIT=$(git rev-list -n 1 main)
-          if [ "$TAG_COMMIT" != "$MAIN_BRANCH_COMMIT" ]; then
-            echo "Tag is not on the main branch, aborting!"
-            exit 1
-          fi
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1