removed workflow rule CI_PIPELINE_SOURCE condition when

.gitlab-ci.yml

@@ -48,7 +48,6 @@ workflow:
   rules:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
     - if: $CI_PIPELINE_SOURCE == 'schedule'
-    - if: $CI_PIPELINE_SOURCE == 'manual'
 
 .get_build_date: &get_build_date
   - export BUILD_DATE=$(TZ=America/Chicago date +%Y-%m-%dT%H%M%S)