Remove test workflow from pull requests

Signed-off-by: Vincent Demeester <vdemeest@redhat.com>

.github/workflows/test.yaml

@@ -7,9 +7,6 @@ on:
       - "*"
     branches:
       - main
-  pull_request_target:
-    branches:
-      - main
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -32,7 +29,6 @@ jobs:
       fail-fast: false # Keep running if one leg fails.
       matrix:
         pipeline-version:
-        - v0.44.5
         - v0.47.5
         - v0.50.5
         - v0.53.2