DOC: Update bincount docs to reflect gh-8348
DOC: Update bincount docs to reflect gh-8348

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