Removing unnecessary branch override

Author: VeithMetro

.github/workflows/Build ThunderLibraries on Linux.yml

@@ -57,7 +57,6 @@ jobs:
       with:
         path: ThunderLibraries
         repository: ${{github.repository_owner}}/ThunderLibraries
-        ref: development/actions-warnings # REMOVE
 
     - name: Regex ThunderLibraries
       if: contains(github.event.pull_request.body, '[Options:')