mypy: Remove unnecessary blocks for strict optional=True.
mypy: Remove unnecessary blocks for strict optional=True.

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