bots: Remove already present test function in virtual_fs bot.
bots: Remove already present test function in virtual_fs bot.

Remove test function for virtual_fs bot from virtual_fs.py file.

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