auth: Extract register_remote_user function.
auth: Extract register_remote_user function.

synicalsyntax/zulip,shubhamdhama/zulip,shubhamdhama/zulip,zulip/zulip,shubhamdhama/zulip,eeshangarg/zulip,hackerkid/zulip,rht/zulip,brainwane/zulip,synicalsyntax/zulip,zulip/zulip,eeshangarg/zulip,showell/zulip,timabbott/zulip,timabbott/zulip,kou/zulip,timabbott/zulip,brainwane/zulip,punchagan/zulip,zulip/zulip,shubhamdhama/zulip,brainwane/zulip,eeshangarg/zulip,eeshangarg/zulip,andersk/zulip,zulip/zulip,hackerkid/zulip,kou/zulip,eeshangarg/zulip,brainwane/zulip,timabbott/zulip,punchagan/zulip,kou/zulip,punchagan/zulip,kou/zulip,andersk/zulip,eeshangarg/zulip,kou/zulip,rht/zulip,andersk/zulip,rht/zulip,punchagan/zulip,brainwane/zulip,hackerkid/zulip,kou/zulip,brainwane/zulip,andersk/zulip,synicalsyntax/zulip,rht/zulip,showell/zulip,hackerkid/zulip,showell/zulip,showell/zulip,andersk/zulip,brainwane/zulip,rht/zulip,eeshangarg/zulip,andersk/zulip,hackerkid/zulip,showell/zulip,showell/zulip,timabbott/zulip,kou/zulip,punchagan/zulip,shubhamdhama/zulip,synicalsyntax/zulip,punchagan/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,synicalsyntax/zulip,synicalsyntax/zulip,punchagan/zulip,rht/zulip,timabbott/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,hackerkid/zulip,andersk/zulip,zulip/zulip,zulip/zulip,synicalsyntax/zulip,rht/zulip