updated variables in build stage for CLEAN_TAG

Change-Id: I829384811dfa09b15432521cae47752e3721e093
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b51424..acba4a5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,6 +13,7 @@
     - if: $CI_COMMIT_TAG =~ /.+/
       variables:
         VID: $CI_COMMIT_TAG
+        CLEAN_TAG: ""
     - when: manual
   stage: build
   before_script: