comms/http.py: Pyflakes fixes
comms/http.py: Pyflakes fixes

local variable 'proto' is assigned to but never used
local variable 'host' is assigned to but never used

Change-Id: Ibad5d84dffdd9f555b8d3ef21efce05497952349

wikimedia/pywikibot-core,magul/pywikibot-core,jayvdb/pywikibot-core,PersianWikipedia/pywikibot-core,emijrp/pywikibot-core,wikimedia/pywikibot-core,magul/pywikibot-core,happy5214/pywikibot-core,npdoty/pywikibot,npdoty/pywikibot,hasteur/g13bot_tools_new,TridevGuha/pywikibot-core,hasteur/g13bot_tools_new,darthbhyrava/pywikibot-local,smalyshev/pywikibot-core,valhallasw/pywikibot-core,trishnaguha/pywikibot-core,icyflame/batman,h4ck3rm1k3/pywikibot-core,Darkdadaah/pywikibot-core,xZise/pywikibot-core,VcamX/pywikibot-core,happy5214/pywikibot-core,hasteur/g13bot_tools_new,Darkdadaah/pywikibot-core,h4ck3rm1k3/pywikibot-core,jayvdb/pywikibot-core