Remove reference to stackoverflow #exercism tag
Remove reference to stackoverflow #exercism tag

arashbi/docs,lfex/exercism-docs,exercism/DEPRECATED.help.exercism.io,NobbZ/docs,spazm/docs,alexclarkofficial/docs,canweriotnow/docs,alexclarkofficial/docs,ZacharyRSmith/docs,yurrriq/docs,ZacharyRSmith/docs,arashbi/docs,k4rtik/docs,canweriotnow/docs,ekse/exercism-docs,k4rtik/docs,rchavarria/docs,rchavarria/docs,lfex/exercism-docs,yurrriq/docs,ekse/exercism-docs,spazm/docs,NobbZ/docs,exercism/DEPRECATED.help.exercism.io