MAINT: Remove dead code backporting py2.6 warnings
MAINT: Remove dead code backporting py2.6 warnings

Since this is now in `np.testing._private`, it's no longer usable by the outside world anyway

anntzer/numpy,jakirkham/numpy,Eric89GXL/numpy,MSeifert04/numpy,mattip/numpy,numpy/numpy,endolith/numpy,Eric89GXL/numpy,grlee77/numpy,seberg/numpy,numpy/numpy,madphysicist/numpy,pdebuyl/numpy,WarrenWeckesser/numpy,madphysicist/numpy,simongibbons/numpy,pizzathief/numpy,mhvk/numpy,gfyoung/numpy,mattip/numpy,pbrod/numpy,endolith/numpy,Eric89GXL/numpy,charris/numpy,shoyer/numpy,jorisvandenbossche/numpy,mhvk/numpy,mattip/numpy,jorisvandenbossche/numpy,pbrod/numpy,pdebuyl/numpy,ahaldane/numpy,abalkin/numpy,grlee77/numpy,ahaldane/numpy,jorisvandenbossche/numpy,grlee77/numpy,simongibbons/numpy,gfyoung/numpy,seberg/numpy,rgommers/numpy,shoyer/numpy,rgommers/numpy,jakirkham/numpy,endolith/numpy,mhvk/numpy,shoyer/numpy,simongibbons/numpy,pbrod/numpy,madphysicist/numpy,jorisvandenbossche/numpy,pizzathief/numpy,charris/numpy,anntzer/numpy,shoyer/numpy,WarrenWeckesser/numpy,ahaldane/numpy,jakirkham/numpy,grlee77/numpy,simongibbons/numpy,abalkin/numpy,gfyoung/numpy,anntzer/numpy,pbrod/numpy,madphysicist/numpy,charris/numpy,endolith/numpy,rgommers/numpy,madphysicist/numpy,anntzer/numpy,MSeifert04/numpy,pizzathief/numpy,WarrenWeckesser/numpy,numpy/numpy,grlee77/numpy,shoyer/numpy,pdebuyl/numpy,abalkin/numpy,pbrod/numpy,mattip/numpy,Eric89GXL/numpy,MSeifert04/numpy,pizzathief/numpy,MSeifert04/numpy,seberg/numpy,seberg/numpy,mhvk/numpy,ahaldane/numpy,jakirkham/numpy,rgommers/numpy,ahaldane/numpy,jorisvandenbossche/numpy,WarrenWeckesser/numpy,pdebuyl/numpy,numpy/numpy,mhvk/numpy,charris/numpy,jakirkham/numpy,MSeifert04/numpy,simongibbons/numpy,pizzathief/numpy,WarrenWeckesser/numpy