remove unused method
remove unused method

tbruyelle/gb,mopemope/gb,inconshreveable/gb,constabulary/gb,constabulary/gb,constabulary/gb,inconshreveable/gb,ches/gb,hyper-carrot/gb,tianon/gb,davidkaya/gb,mopemope/gb,davidkaya/gb,tbruyelle/gb,hyper-carrot/gb,ches/gb,tianon/gb,mopemope/gb,lparkes/gb