Fixes: https://pagure.io/koji/issue/1568
simplified variant for #1194
I've removed existence checks, as it is checked later in ssl_login again.
ssl_login
Metadata Update from @tkopecek: - Pull-request tagged with: testing-ready
serverca option is used by _sendOneCall as well. If the existence is not checked here, OSError of non-existing file occurs when calling APIs without authentication or with kerberos
_sendOneCall
OSError
2020-02-14 08:11:07,361 [DEBUG] koji: gssapi auth failed: OSError: Could not find a suitable TLS CA certificate bundle, invalid path: /home/yzhu/.koji/serverca.crt
Metadata Update from @julian8628: - Pull-request untagged with: testing-ready
Pull-Request has been closed by tkopecek
Fixes: https://pagure.io/koji/issue/1568
simplified variant for #1194