TST: remove VC 9.0 from Azure CI
TST: remove VC 9.0 from Azure CI

* master branch no longer supports /
tests Python 2.7, so we can now
safely remove the older VC 9.0 compiler
from Windows Azure CI

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