move regen artifacts to master/main branch

.github/workflows/regenerate-artifacts.yaml

@@ -5,7 +5,7 @@ name: Regenerate Biolink Model Artifacts
 on:
   push:
     branches:
-      - doc-refactor
+      - master
   repository_dispatch:
     types: trigger-build-artifacts
 
@@ -43,7 +43,6 @@ jobs:
             git config --local user.name "GitHub Action"
             # git add project/*
             # git add src/*
-            # git add 
             # git commit -m "Regenerate artifacts from biolink-model.yaml"
             # git push
           else