Merge branch 'revert-1adfd11f' into 'master'

Revert "Merge branch '5688-opensuse-15.1-deprecation' into 'master'"

See merge request gitlab-org/omnibus-gitlab!4675

changelogs/unreleased/5688-opensuse-15-1-deprecation.yml

----
-title: Add deprecation warning for openSUSE Leap 15.1
-merge_request: 4610
-author:
-type: deprecated

files/gitlab-cookbooks/package/libraries/omnibus_helper.rb

@@ -104,8 +104,7 @@ class OmnibusHelper
     {
       'raspbian-9' => 'GitLab 13.4',
       'debian-8' => 'GitLab 13.4',
-      'centos-6' => 'GitLab 13.7',
-      'opensuseleap-15.1' => 'GitLab 13.7'
+      'centos-6' => 'GitLab 13.7'
     }
   end