clean up X11 conditionals
clean up X11 conditionals

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