BLD: remove depends=quadpack.h - file was removed long ago.  Closes gh-7221.
BLD: remove depends=quadpack.h - file was removed long ago.  Closes gh-7221.

No idea why this makes the build fail only on some specific configs on Linux,
should have always failed.

andyfaff/scipy,mdhaber/scipy,arokem/scipy,rgommers/scipy,arokem/scipy,mdhaber/scipy,pizzathief/scipy,rgommers/scipy,nmayorov/scipy,tylerjereddy/scipy,Eric89GXL/scipy,pizzathief/scipy,gertingold/scipy,arokem/scipy,gertingold/scipy,endolith/scipy,ilayn/scipy,endolith/scipy,Stefan-Endres/scipy,anntzer/scipy,vigna/scipy,aeklant/scipy,anntzer/scipy,matthew-brett/scipy,scipy/scipy,gfyoung/scipy,endolith/scipy,anntzer/scipy,rgommers/scipy,WarrenWeckesser/scipy,scipy/scipy,Stefan-Endres/scipy,grlee77/scipy,Stefan-Endres/scipy,person142/scipy,zerothi/scipy,jor-/scipy,scipy/scipy,vigna/scipy,grlee77/scipy,tylerjereddy/scipy,scipy/scipy,person142/scipy,pizzathief/scipy,Stefan-Endres/scipy,zerothi/scipy,aeklant/scipy,ilayn/scipy,pizzathief/scipy,matthew-brett/scipy,perimosocordiae/scipy,matthew-brett/scipy,arokem/scipy,person142/scipy,lhilt/scipy,perimosocordiae/scipy,grlee77/scipy,rgommers/scipy,aarchiba/scipy,Eric89GXL/scipy,rgommers/scipy,andyfaff/scipy,zerothi/scipy,scipy/scipy,WarrenWeckesser/scipy,gfyoung/scipy,jamestwebber/scipy,WarrenWeckesser/scipy,mdhaber/scipy,gfyoung/scipy,WarrenWeckesser/scipy,person142/scipy,nmayorov/scipy,aeklant/scipy,person142/scipy,mdhaber/scipy,nmayorov/scipy,ilayn/scipy,e-q/scipy,nmayorov/scipy,gertingold/scipy,matthew-brett/scipy,endolith/scipy,e-q/scipy,gertingold/scipy,grlee77/scipy,Eric89GXL/scipy,jor-/scipy,jor-/scipy,ilayn/scipy,nmayorov/scipy,mdhaber/scipy,endolith/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,zerothi/scipy,Stefan-Endres/scipy,anntzer/scipy,andyfaff/scipy,scipy/scipy,lhilt/scipy,ilayn/scipy,pizzathief/scipy,vigna/scipy,aeklant/scipy,Eric89GXL/scipy,mdhaber/scipy,perimosocordiae/scipy,jamestwebber/scipy,e-q/scipy,Eric89GXL/scipy,tylerjereddy/scipy,jamestwebber/scipy,anntzer/scipy,aarchiba/scipy,lhilt/scipy,andyfaff/scipy,Stefan-Endres/scipy,vigna/scipy,matthew-brett/scipy,zerothi/scipy,aarchiba/scipy,gfyoung/scipy,endolith/scipy,andyfaff/scipy,e-q/scipy,zerothi/scipy,aarchiba/scipy,grlee77/scipy,anntzer/scipy,tylerjereddy/scipy,jamestwebber/scipy,vigna/scipy,aeklant/scipy,jor-/scipy,lhilt/scipy,andyfaff/scipy,gertingold/scipy,perimosocordiae/scipy,tylerjereddy/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,ilayn/scipy,aarchiba/scipy,jamestwebber/scipy,arokem/scipy,e-q/scipy,gfyoung/scipy,lhilt/scipy,jor-/scipy