If the download is a .jar, don't unzip it
If the download is a .jar, don't unzip it

Also remove special casing for two existing jar formula.

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