bot_data test: Remove is_admin noise.
bot_data test: Remove is_admin noise.

We no longer use `is_admin` in `bot_data`.

brainwane/zulip,showell/zulip,hackerkid/zulip,andersk/zulip,hackerkid/zulip,showell/zulip,showell/zulip,showell/zulip,hackerkid/zulip,synicalsyntax/zulip,eeshangarg/zulip,andersk/zulip,showell/zulip,zulip/zulip,timabbott/zulip,punchagan/zulip,punchagan/zulip,timabbott/zulip,eeshangarg/zulip,hackerkid/zulip,eeshangarg/zulip,punchagan/zulip,zulip/zulip,hackerkid/zulip,timabbott/zulip,eeshangarg/zulip,timabbott/zulip,shubhamdhama/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,shubhamdhama/zulip,brainwane/zulip,eeshangarg/zulip,zulip/zulip,hackerkid/zulip,kou/zulip,synicalsyntax/zulip,shubhamdhama/zulip,kou/zulip,kou/zulip,showell/zulip,rht/zulip,brainwane/zulip,rht/zulip,synicalsyntax/zulip,zulip/zulip,timabbott/zulip,kou/zulip,rht/zulip,brainwane/zulip,punchagan/zulip,rht/zulip,punchagan/zulip,shubhamdhama/zulip,rht/zulip,brainwane/zulip,brainwane/zulip,andersk/zulip,punchagan/zulip,andersk/zulip,shubhamdhama/zulip,zulip/zulip,punchagan/zulip,synicalsyntax/zulip,shubhamdhama/zulip,brainwane/zulip,timabbott/zulip,andersk/zulip,rht/zulip,hackerkid/zulip,kou/zulip,timabbott/zulip,andersk/zulip,showell/zulip,eeshangarg/zulip,kou/zulip,shubhamdhama/zulip,kou/zulip,synicalsyntax/zulip,synicalsyntax/zulip,zulip/zulip,synicalsyntax/zulip,andersk/zulip