Removed unused RunInTmpDirMixin.rmfile().
Removed unused RunInTmpDirMixin.rmfile().

Unused since bb7bb379e8cd91a91336946829519d64e919a1d2.
solarissmoke/django,adamchainz/django,freakboy3742/django,fenginx/django,googleinterns/django,felixxm/django,theo-l/django,pauloxnet/django,fenginx/django,timgraham/django,auvipy/django,pauloxnet/django,manhhomienbienthuy/django,solarissmoke/django,adamchainz/django,simonw/django,schinckel/django,fenginx/django,googleinterns/django,ghickman/django,monetate/django,apollo13/django,claudep/django,MarkusH/django,theo-l/django,django/django,monetate/django,wkschwartz/django,takis/django,rsalmaso/django,blighj/django,takis/django,fenginx/django,kaedroho/django,dsanders11/django,manhhomienbienthuy/django,timgraham/django,claudep/django,felixxm/django,freakboy3742/django,wkschwartz/django,MarkusH/django,rsalmaso/django,monetate/django,auvipy/django,felixxm/django,simonw/django,georgemarshall/django,shaib/django,schinckel/django,dsanders11/django,shaib/django,apollo13/django,elena/django,MarkusH/django,koordinates/django,adamchainz/django,charettes/django,solarissmoke/django,monetate/django,felixxm/django,wkschwartz/django,atul-bhouraskar/django,elena/django,takis/django,apollo13/django,blighj/django,manhhomienbienthuy/django,ghickman/django,simonw/django,kaedroho/django,googleinterns/django,theo-l/django,elena/django,rsalmaso/django,apollo13/django,simonw/django,blighj/django,charettes/django,theo-l/django,ghickman/django,pauloxnet/django,auvipy/django,googleinterns/django,shaib/django,solarissmoke/django,schinckel/django,schinckel/django,rsalmaso/django,django/django,atul-bhouraskar/django,EmadMokhtar/Django,elena/django,georgemarshall/django,wkschwartz/django,takis/django,atul-bhouraskar/django,EmadMokhtar/Django,kaedroho/django,auvipy/django,charettes/django,timgraham/django,georgemarshall/django,atul-bhouraskar/django,claudep/django,shaib/django,pauloxnet/django,dsanders11/django,django/django,claudep/django,koordinates/django,dsanders11/django,georgemarshall/django,koordinates/django,charettes/django,django/django,freakboy3742/django,ghickman/django,EmadMokhtar/Django,adamchainz/django,koordinates/django,MarkusH/django,blighj/django,timgraham/django,manhhomienbienthuy/django