No need for self-hosted testing now

Author: mxcl

.github/workflows/ci.action.yml

@@ -36,13 +36,9 @@ jobs:
         os:
           - macos-latest
           - ubuntu-latest
-          - [self-hosted, macOS, ARM64]  # we need to be sure the action
-          - [self-hosted, linux, ARM64]  # works in arm64 environments
         prefix:
           - null
           - /tmp/pkgx
-        container:
-          - null
         include:
         - os: ubuntu-latest
           container: debian:buster-slim