formula: simplify outdated_versions logic
formula: simplify outdated_versions logic

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