[ci] remove paranoid version check for SemVer format

Branch will be moving from X.Y.Z to vX.Y.Z tag names.
Removing a check that gets in the way during the transition.

.common-ci.yml

@@ -29,8 +29,6 @@ versioning:
     - if [ -z "${CI_COMMIT_TAG}" ]; then echo SUBCHART_DIR="nightly" ; else echo SUBCHART_DIR="stable"; fi | tee -a .VERSION_INFO
     # check that index is not dirty - to avoid some annoying to debug CI failures
     - "git diff-index --quiet HEAD -- || ( echo ERROR: Unstaged files or dirty index ; exit 1 )"
-    # check version data and that it follows SemVer 2.0 format
-    - echo "${VERSION}" | grep -qe '^[0-9]\+\.[0-9]\+\.[0-9]\+\(-[^+]\+\)\?\(+.*\)\?$'
   artifacts:
     paths:
       - .VERSION_INFO