Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -5,6 +5,7 @@ stages:
 ubuntu-build:
   image: ubuntu:18.04
   stage: build
+  when: manual
 
   before_script:
     - apt-get update -qq && apt-get install -y -qq gfortran libnetcdf-dev libnetcdff-dev libeccodes-dev netcdf-bin
@@ -43,7 +44,6 @@ jet-build:
   when: manual
 
   before_script:
-    - microdnf config-manager --set-enabled powertools
     - microdnf install -yq epel-release
     - microdnf install -yq netcdf-fortran-devel.x86_64 eccodes-devel.x86_64 netcdf.x86_64