delete useless code
delete useless code

benpptung/swig,mrazvan92/swig-template-callback,xiaoyang2022/swig,jrvldam/swig,cwhatley/swig,notthetup/swig,gogobook/swig,CuteSephiroth/swig,mrazvan92/swig-async,mrazvan92/swig-template-callback,gold3bear/swig,gogobook/swig,genify/swig,zongkelong/swig,Thunf/swiger,Thunf/swiger,paularmstrong/swig,mahdaen/swig,benpptung/swig,genify/swig,benpptung/swig,jrvldam/swig,CuteSephiroth/swig,jerrylin1002/swig,Thunf/swiger,DragWeb/swig,cgvarela/swig,xiaoyang2022/swig,zetlen/swig,CuteSephiroth/swig,paularmstrong/swig,gogobook/swig,jerrylin1002/swig,mrazvan92/swig-template-callback,gitoneman/swig,jrvldam/swig,DragWeb/swig,zetlen/swig,notthetup/swig,jerrylin1002/swig,Lochlan/swig,gitoneman/swig,cwhatley/swig,DragWeb/swig,mrazvan92/swig-async,notthetup/swig,xiaoyang2022/swig,zetlen/swig,mahdaen/swig,zongkelong/swig,zongkelong/swig,cwhatley/swig,gold3bear/swig,Lochlan/swig,mrazvan92/swig-async,cgvarela/swig,mahdaen/swig,gold3bear/swig,cgvarela/swig,genify/swig,paularmstrong/swig,Lochlan/swig,gitoneman/swig