uninstall: remove nil requireds/dependents
uninstall: remove nil requireds/dependents

These shouldn’t get here in the first place so this is a bit of a hack
pending a better fix.

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