Reduce repeated array inclusion check
Reduce repeated array inclusion check

Currently we check if "tag" is present in LANGUAGE_MODULES for every
String dep, even if tag is nil. Stop doing this, and make the
LANGUAGE_MODULES array into a Set instead to improve lookup performance.

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