Revert "change entrypoint of docker img"

This reverts commit 1f68b6b4.

.gitlab-ci.yml

@@ -108,7 +108,7 @@ check:links:
    stage: check
    image:
      name: $CI_REGISTRY/r3/apps/tailorbird/linkchecker
-     entrypoint: ["/bin/bash"]
+     entrypoint: [""]
    rules:
      - if: $CI_COMMIT_REF_NAME
      - if: $CI_MERGE_REQUEST_ID