[ci/cd] nodejs image entrypoint tweak

.gitlab-ci.yml

@@ -25,7 +25,7 @@ js-syntax-check:
   stage: test
   image:
     name: node:lts
-    entrypoint: ["/bin/bash"]
+    entrypoint: [""]
   script:
    - npm install -g jshint        
    - find htdocs/js/ -name *.js ! -name jquery* | xargs -n 1 jshint --verbose