Remove self-hosted runner (#86)

The self-hosted runner is going away. This patch removes our usage of it.

Author: kwillmon-veracode

.github/workflows/test.yml

@@ -20,7 +20,6 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          - [self-hosted, linux, arm64]
           - macos-latest
     runs-on: ${{ matrix.os }}
     steps: