upgrade-zulip-stage-2: Remove an unused import.
upgrade-zulip-stage-2: Remove an unused import.

shubhamdhama/zulip,synicalsyntax/zulip,jackrzhang/zulip,hackerkid/zulip,hackerkid/zulip,brainwane/zulip,tommyip/zulip,timabbott/zulip,showell/zulip,vaidap/zulip,dhcrzf/zulip,punchagan/zulip,amanharitsh123/zulip,zulip/zulip,timabbott/zulip,dhcrzf/zulip,amanharitsh123/zulip,brainwane/zulip,vabs22/zulip,rht/zulip,rht/zulip,punchagan/zulip,brockwhittaker/zulip,dhcrzf/zulip,andersk/zulip,vabs22/zulip,brainwane/zulip,kou/zulip,brainwane/zulip,eeshangarg/zulip,rishig/zulip,eeshangarg/zulip,shubhamdhama/zulip,rishig/zulip,vaidap/zulip,synicalsyntax/zulip,hackerkid/zulip,vabs22/zulip,brockwhittaker/zulip,andersk/zulip,showell/zulip,amanharitsh123/zulip,timabbott/zulip,punchagan/zulip,zulip/zulip,verma-varsha/zulip,hackerkid/zulip,dhcrzf/zulip,amanharitsh123/zulip,punchagan/zulip,synicalsyntax/zulip,rishig/zulip,brockwhittaker/zulip,tommyip/zulip,Galexrt/zulip,jrowan/zulip,rht/zulip,rishig/zulip,dhcrzf/zulip,andersk/zulip,synicalsyntax/zulip,verma-varsha/zulip,jackrzhang/zulip,mahim97/zulip,kou/zulip,andersk/zulip,rht/zulip,mahim97/zulip,verma-varsha/zulip,timabbott/zulip,andersk/zulip,jackrzhang/zulip,vaidap/zulip,shubhamdhama/zulip,jrowan/zulip,jackrzhang/zulip,Galexrt/zulip,Galexrt/zulip,zulip/zulip,showell/zulip,brockwhittaker/zulip,zulip/zulip,jrowan/zulip,tommyip/zulip,synicalsyntax/zulip,brainwane/zulip,eeshangarg/zulip,kou/zulip,showell/zulip,eeshangarg/zulip,rht/zulip,kou/zulip,rht/zulip,mahim97/zulip,jackrzhang/zulip,vabs22/zulip,verma-varsha/zulip,showell/zulip,amanharitsh123/zulip,kou/zulip,vabs22/zulip,shubhamdhama/zulip,dhcrzf/zulip,shubhamdhama/zulip,amanharitsh123/zulip,hackerkid/zulip,kou/zulip,eeshangarg/zulip,verma-varsha/zulip,punchagan/zulip,eeshangarg/zulip,tommyip/zulip,brockwhittaker/zulip,jrowan/zulip,Galexrt/zulip,vaidap/zulip,tommyip/zulip,shubhamdhama/zulip,rht/zulip,synicalsyntax/zulip,jackrzhang/zulip,vaidap/zulip,punchagan/zulip,andersk/zulip,synicalsyntax/zulip,dhcrzf/zulip,zulip/zulip,zulip/zulip,mahim97/zulip,jrowan/zulip,shubhamdhama/zulip,verma-varsha/zulip,rishig/zulip,jackrzhang/zulip,andersk/zulip,showell/zulip,Galexrt/zulip,kou/zulip,brockwhittaker/zulip,eeshangarg/zulip,mahim97/zulip,rishig/zulip,vabs22/zulip,tommyip/zulip,vaidap/zulip,tommyip/zulip,hackerkid/zulip,rishig/zulip,punchagan/zulip,brainwane/zulip,timabbott/zulip,showell/zulip,Galexrt/zulip,Galexrt/zulip,jrowan/zulip,zulip/zulip,hackerkid/zulip,brainwane/zulip,timabbott/zulip,mahim97/zulip,timabbott/zulip