Disable allow failure tag for bash

Same as !35 (merged) although not so critical.

.gitlab-industrial-ci-kinetic-no-rosinstall.yml

@@ -97,7 +97,6 @@ bash_syntax:
     - docker run -v ${PWD}:/ac cytopia/awesome-ci syntax-sh --path=/ac --extension=sh --ignore=.ci_config || RET=1
     - docker run -v ${PWD}:/ac cytopia/awesome-ci syntax-bash --path=/ac --extension=bash --ignore=.ci_config || RET=1
     - exit $RET
-  allow_failure: yes
   when: always
   tags:
     - docker