CI: remove -x (stop after first failure) from Azure config
CI: remove -x (stop after first failure) from Azure config

This didn't seem to be doing anything when it was still `-rsx`,
but after removing `-r` the result is clearly undesired.

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