install: Don't try to chown a self-signed cert to zulip.
install: Don't try to chown a self-signed cert to zulip.

The zulip user has no need to see this file; it's used by nginx.
And when we set up the cert early in install, there's no zulip user
yet anyway, so this fails.

tommyip/zulip,synicalsyntax/zulip,dhcrzf/zulip,kou/zulip,rht/zulip,brainwane/zulip,showell/zulip,zulip/zulip,rishig/zulip,tommyip/zulip,rishig/zulip,timabbott/zulip,hackerkid/zulip,showell/zulip,punchagan/zulip,zulip/zulip,tommyip/zulip,zulip/zulip,jackrzhang/zulip,showell/zulip,rht/zulip,rht/zulip,brainwane/zulip,timabbott/zulip,andersk/zulip,shubhamdhama/zulip,zulip/zulip,synicalsyntax/zulip,timabbott/zulip,timabbott/zulip,rishig/zulip,eeshangarg/zulip,kou/zulip,rht/zulip,jackrzhang/zulip,kou/zulip,showell/zulip,andersk/zulip,brainwane/zulip,zulip/zulip,brainwane/zulip,synicalsyntax/zulip,hackerkid/zulip,kou/zulip,rishig/zulip,andersk/zulip,punchagan/zulip,dhcrzf/zulip,punchagan/zulip,synicalsyntax/zulip,shubhamdhama/zulip,punchagan/zulip,dhcrzf/zulip,hackerkid/zulip,shubhamdhama/zulip,punchagan/zulip,kou/zulip,dhcrzf/zulip,tommyip/zulip,synicalsyntax/zulip,rishig/zulip,kou/zulip,andersk/zulip,andersk/zulip,rht/zulip,jackrzhang/zulip,eeshangarg/zulip,eeshangarg/zulip,eeshangarg/zulip,hackerkid/zulip,jackrzhang/zulip,hackerkid/zulip,shubhamdhama/zulip,dhcrzf/zulip,rishig/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,punchagan/zulip,dhcrzf/zulip,kou/zulip,tommyip/zulip,tommyip/zulip,brainwane/zulip,brainwane/zulip,tommyip/zulip,rishig/zulip,brainwane/zulip,shubhamdhama/zulip,zulip/zulip,shubhamdhama/zulip,dhcrzf/zulip,showell/zulip,eeshangarg/zulip,shubhamdhama/zulip,rht/zulip,jackrzhang/zulip,timabbott/zulip,showell/zulip,andersk/zulip,jackrzhang/zulip,timabbott/zulip,synicalsyntax/zulip,punchagan/zulip,hackerkid/zulip,andersk/zulip,showell/zulip,synicalsyntax/zulip,eeshangarg/zulip,timabbott/zulip,hackerkid/zulip,jackrzhang/zulip