Revert "add CI for Python 3.11 (#5348)"
Revert "add CI for Python 3.11 (#5348)"

This reverts commit c95236eaaad713b60a81e8a90b3bf73a8d5e8fe7.

mitmproxy/mitmproxy,mitmproxy/mitmproxy,mhils/mitmproxy,mitmproxy/mitmproxy,mitmproxy/mitmproxy,mhils/mitmproxy,mhils/mitmproxy,mhils/mitmproxy,mhils/mitmproxy,mitmproxy/mitmproxy