Fix code quality example documentation

doc/ci/examples/code_climate.md

@@ -15,13 +15,8 @@ codequality:
   services:
     - docker:dind
   script:
-    - docker pull codeclimate/codeclimate
     - export SP_VERSION=$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')
-    - docker run
-      --env SOURCE_CODE="$PWD" \
-      --volume "$PWD":/code \
-      --volume /var/run/docker.sock:/var/run/docker.sock \
-      "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
+    - docker run --env SOURCE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
   artifacts:
     paths: [codeclimate.json]
 ```