remove unused dateformatter code
remove unused dateformatter code

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