cmd/unlinkapps: fix Rubocop warnings.
cmd/unlinkapps: fix Rubocop warnings.

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