Update regression_test.yml

Author: amdfaa

.github/workflows/regression_test.yml

@@ -46,7 +46,6 @@ jobs:
     with:
       timeout: 120
       no-sudo: ${{ matrix.gpu-arch-type == 'rocm' }}
-      test-infra-ref: main
       runner: ${{ matrix.runs-on }}
       gpu-arch-type: ${{ matrix.gpu-arch-type }}
       gpu-arch-version: ${{ matrix.gpu-arch-version }}