ci: remove condition preventing manual trigger of build actions (aws#2289)

Author: tsmithsz

.github/workflows/create-agent-standalone.yml

@@ -8,7 +8,6 @@ on:
 jobs:
     build:
         runs-on: ubuntu-latest
-        if: github.event_name == 'push' || github.actor_id == github.repository_owner_id
 
         steps:
             - name: Checkout repository