Revert "Merge branch 'feature/always-local-pypi' into 'master'"

This reverts merge request !18

ci/publish/pypi.yml

 deploy_gitlab:
   stage: publish
   script:
-    - if [ x$CI_COMMIT_REF_NAME = x$CI_COMMIT_TAG ]; then
+    - if [ $CI_COMMIT_REF_NAME = master ]; then
+       poetry version $(poetry version | cut -d" " -f2)+$(date --date=${CI_COMMIT_TIMESTAMP} +%Y%m%d%H%M%S).${CI_COMMIT_SHORT_SHA} ;
+      elif [ x$CI_COMMIT_REF_NAME = x$CI_COMMIT_TAG ]; then
        if ! [ "$(poetry version | cut -d" " -f2)" = $CI_COMMIT_REF_NAME ]; then
         echo "Package version does not match tag. Aborting build of tag!" >/dev/fd/2 ;
         exit 1 ;
        fi ;
-      else ;
-       poetry version $(poetry version | cut -d" " -f2)+$(date --date=${CI_COMMIT_TIMESTAMP} +%Y%m%d%H%M%S).${CI_COMMIT_SHORT_SHA} ;
       fi
     - poetry publish -r gitlab
+  only:
+    - master
+    - tags
 
 deploy_pypi:
   stage: publish