Remove duplicate jobs from github workflow

We now run pre-commit job in prow which covers most of go-lang tasks.

This also adds a github action that checks for go.mod replace, which
was added to several operator repos.

.github/workflows/lints.yaml

@@ -0,0 +1,14 @@
+name: Lints
+
+on: [pull_request]
+
+jobs:
+  check-go-mod-replace-lines:
+    name: check for replace lines in go.mod files
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout project code
+        uses: actions/checkout@v3
+      - name: check for replace lines in go.mod files
+        run: |
+          ! egrep --invert-match -e '^replace.*/api => \./api|^replace.*//allow-merging$'  `find . -name 'go.mod'` | egrep -e 'go.mod:replace'