mobile/cmd/gomobile: remove the temp iOS work directory
mobile/cmd/gomobile: remove the temp iOS work directory

Change-Id: I1ceb859fb35d1069ed4d3835f74f7ec082bfefb8
Reviewed-on: https://go-review.googlesource.com/11264
Reviewed-by: David Crawshaw <a2f0bf29257797dd66800b4fbb9945c3e216c004@golang.org>

tempbottle/mobile,lonphy23t/mobile,samanalysis/mobile,goldcaddy77/mobile,qskycolor/mobile,0x90sled/mobile,zach-klippenstein/mobile,DanielWorld/mobile,ppamorim/mobile,zach-klippenstein/mobile,freeman0211/mobile,DanielWorld/mobile,golang/mobile,goldcaddy77/mobile,samanalysis/mobile,0x90sled/mobile,freeman0211/mobile,xing/gomobile,goldcaddy77/mobile,swisspol/mobile,ichu501/mobile,MaxCy330/mobile,ppamorim/mobile,steeve/mobile,golang/mobile,qskycolor/mobile,freeman0211/mobile,ppamorim/mobile,golang/mobile,cainiaocome/mobile,steeve/mobile,goldcaddy77/mobile,b54898533/mobile,ichu501/mobile,steeve/mobile,ichu501/mobile,MaxCy330/mobile,MaxCy330/mobile,qskycolor/mobile,MaxCy330/mobile,cainiaocome/mobile,swisspol/mobile,lonphy23t/mobile,tempbottle/mobile,b54898533/mobile,samanalysis/mobile,tempbottle/mobile,lonphy23t/mobile,xing/gomobile,swisspol/mobile,samanalysis/mobile,xing/gomobile,b54898533/mobile,ichu501/mobile,cainiaocome/mobile,ppamorim/mobile,b54898533/mobile,lonphy23t/mobile,swisspol/mobile,0x90sled/mobile,zach-klippenstein/mobile,golang/mobile,xing/gomobile,steeve/mobile,DanielWorld/mobile,tempbottle/mobile,qskycolor/mobile,freeman0211/mobile,MaxCy330/mobile,0x90sled/mobile,0x90sled/mobile,cainiaocome/mobile,tempbottle/mobile,lonphy23t/mobile,DanielWorld/mobile,swisspol/mobile,goldcaddy77/mobile,xing/gomobile,ppamorim/mobile,b54898533/mobile,ichu501/mobile,cainiaocome/mobile,zach-klippenstein/mobile,samanalysis/mobile