streams: Remove unnecessary font color declaration, change to translucent.
streams: Remove unnecessary font color declaration, change to translucent.

This changes a declaration from grey to translucent and another to
remove an unnecessary color declaration.

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