🔥(ci) remove checking print statement in lint-git

Since we use ruff, it is not needed anymore to check the presence of
print statement, the rule T201 is already doing it in a more performant
way.

.github/workflows/impress.yml

@@ -27,10 +27,6 @@ jobs:
           fetch-depth: 0
       - name: show
         run: git log
-      - name: Enforce absence of print statements in code
-        if: always()
-        run: |
-          ! git diff origin/${{ github.event.pull_request.base.ref }}..HEAD -- src/backend ':(exclude)**/impress.yml' | grep "print("
       - name: Check absence of fixup commits
         if: always()
         run: |