use main branch in plugin test workflow

Author: circlecube

.github/workflows/brand-plugin-test.yml

@@ -41,7 +41,6 @@ jobs:
       module-repo: ${{ github.repository }}
       module-branch: ${{ needs.setup.outputs.branch }}
       plugin-repo: 'newfold-labs/wp-plugin-hostgator'
-      plugin-branch: 'update/plugin-parity'
     secrets: inherit
 
   web:
@@ -62,7 +61,6 @@ jobs:
       module-repo: ${{ github.repository }}
       module-branch: ${{ needs.setup.outputs.branch }}
       plugin-repo: 'newfold-labs/wp-plugin-crazy-domains'
-      plugin-branch: 'update/plugin-parity'
     secrets: inherit
 
   mojo: