TST: re-enable PPC longdouble spacing tests
TST: re-enable PPC longdouble spacing tests

Now we have eps on PPC longdouble, re-enable the tests of float spacing.

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