queue: Move user presence log events to DEBUG log level.
queue: Move user presence log events to DEBUG log level.

These are pretty noisy, and generally of little interest, since
presence requests come with a server log entry anyway.

brockwhittaker/zulip,brockwhittaker/zulip,rishig/zulip,brockwhittaker/zulip,brockwhittaker/zulip,punchagan/zulip,rht/zulip,synicalsyntax/zulip,jackrzhang/zulip,andersk/zulip,punchagan/zulip,dhcrzf/zulip,jackrzhang/zulip,kou/zulip,eeshangarg/zulip,rishig/zulip,Galexrt/zulip,zulip/zulip,Galexrt/zulip,zulip/zulip,hackerkid/zulip,timabbott/zulip,punchagan/zulip,dhcrzf/zulip,brainwane/zulip,Galexrt/zulip,zulip/zulip,amanharitsh123/zulip,hackerkid/zulip,showell/zulip,tommyip/zulip,dhcrzf/zulip,tommyip/zulip,brainwane/zulip,rht/zulip,showell/zulip,mahim97/zulip,brainwane/zulip,tommyip/zulip,dhcrzf/zulip,synicalsyntax/zulip,shubhamdhama/zulip,rishig/zulip,timabbott/zulip,showell/zulip,rht/zulip,rht/zulip,hackerkid/zulip,kou/zulip,eeshangarg/zulip,kou/zulip,rishig/zulip,shubhamdhama/zulip,amanharitsh123/zulip,kou/zulip,synicalsyntax/zulip,eeshangarg/zulip,brockwhittaker/zulip,tommyip/zulip,jackrzhang/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,mahim97/zulip,hackerkid/zulip,andersk/zulip,shubhamdhama/zulip,mahim97/zulip,kou/zulip,rishig/zulip,showell/zulip,eeshangarg/zulip,Galexrt/zulip,shubhamdhama/zulip,jackrzhang/zulip,brainwane/zulip,showell/zulip,hackerkid/zulip,zulip/zulip,jackrzhang/zulip,jackrzhang/zulip,andersk/zulip,kou/zulip,shubhamdhama/zulip,dhcrzf/zulip,kou/zulip,rishig/zulip,hackerkid/zulip,tommyip/zulip,punchagan/zulip,hackerkid/zulip,Galexrt/zulip,brainwane/zulip,synicalsyntax/zulip,eeshangarg/zulip,brockwhittaker/zulip,synicalsyntax/zulip,rht/zulip,andersk/zulip,shubhamdhama/zulip,andersk/zulip,amanharitsh123/zulip,rht/zulip,mahim97/zulip,Galexrt/zulip,rishig/zulip,timabbott/zulip,tommyip/zulip,tommyip/zulip,zulip/zulip,brainwane/zulip,showell/zulip,mahim97/zulip,punchagan/zulip,Galexrt/zulip,shubhamdhama/zulip,mahim97/zulip,rht/zulip,amanharitsh123/zulip,amanharitsh123/zulip,dhcrzf/zulip,brainwane/zulip,eeshangarg/zulip,showell/zulip,timabbott/zulip,synicalsyntax/zulip,zulip/zulip,timabbott/zulip,timabbott/zulip,jackrzhang/zulip,andersk/zulip,dhcrzf/zulip,synicalsyntax/zulip,timabbott/zulip,amanharitsh123/zulip,punchagan/zulip,andersk/zulip