remove ci credential check
remove ci credential check

it turns out pull requests from trusted contributors do have access to secrets,
so we can't do that check. Checking for the repo only doesn't make much sense.

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