Fix GitHub workflow syntax error

Remove redundant workflow for develop branch.

Author: cblauvelt

.github/workflows/docker-image.yml

@@ -27,10 +27,8 @@ jobs:
       packages: write
 
     steps:
-      - name: Checkout repository
+      - name: Checkout repository and lint
         uses: actions/checkout@v2
-
-      - name: Check for linting errors
       - uses: hadolint/[email protected]
         with:
           dockerfile: Dockerfile