Remove obsolete doctor check
Remove obsolete doctor check

Both build environments remove MACOSX_DEPLOYMENT_TARGET by default.

Linuxbrew/brew,JCount/brew,bfontaine/brew,aw1621107/brew,mistydemeo/homebrew,hanxue/linuxbrew,mgrimes/brew,aw1621107/brew,nandub/brew,gregory-nisbet/brew,toonetown/homebrew,muellermartin/dist,mistydemeo/homebrew,vitorgalvao/brew,mistydemeo/homebrew,gregory-nisbet/brew,mgrimes/brew,muellermartin/dist,sjackman/homebrew,amar-laksh/brew_sudo,Homebrew/brew,palxex/brew,palxex/brew,MikeMcQuaid/brew,vitorgalvao/brew,mahori/brew,muellermartin/dist,ilovezfs/brew,Homebrew/brew,staticfloat/brew,reitermarkus/brew,bfontaine/brew,maxim-belkin/brew,jmsundar/brew,konqui/brew,EricFromCanada/brew,DomT4/brew,rwhogg/brew,reitermarkus/brew,tonyg/homebrew,claui/brew,konqui/brew,gordonmcshane/homebrew,AnastasiaSulyagina/brew,nandub/brew,reitermarkus/brew,JCount/brew,reitermarkus/brew,alyssais/brew,AnastasiaSulyagina/brew,sjackman/homebrew,ilovezfs/brew,tonyg/homebrew,maxim-belkin/brew,vitorgalvao/brew,mahori/brew,DomT4/brew,staticfloat/brew,zmwangx/brew,maxim-belkin/brew,DomT4/brew,jmsundar/brew,hanxue/linuxbrew,zmwangx/brew,amar-laksh/brew_sudo,alyssais/brew,gordonmcshane/homebrew,sjackman/homebrew,MikeMcQuaid/brew,EricFromCanada/brew,aw1621107/brew,Linuxbrew/brew,claui/brew,nandub/brew,vitorgalvao/brew,reelsense/brew,konqui/brew,claui/brew,JCount/brew,Linuxbrew/brew,gordonmcshane/homebrew,Homebrew/brew,sjackman/homebrew,zmwangx/brew,EricFromCanada/brew,AnastasiaSulyagina/brew,mgrimes/brew,rwhogg/brew,MikeMcQuaid/brew,tonyg/homebrew,nandub/brew,mahori/brew,claui/brew,reelsense/brew,amar-laksh/brew_sudo,Homebrew/brew,alyssais/brew,jmsundar/brew,mahori/brew,pseudocody/brew,staticfloat/brew,hanxue/linuxbrew,pseudocody/brew,bfontaine/brew,pseudocody/brew,EricFromCanada/brew,ilovezfs/brew,Linuxbrew/brew,gregory-nisbet/brew,JCount/brew,palxex/brew,rwhogg/brew,konqui/brew,DomT4/brew,reelsense/brew,toonetown/homebrew,toonetown/homebrew,MikeMcQuaid/brew