Only report PATH order diagnosis if conflicts are found
Only report PATH order diagnosis if conflicts are found

Rationale: brew doctor shouldn't give warnings for a default install. And this particular warning only applies for a small subset of formula: the ones that are "dupes".

If we get reported issues that prove this was a mistake we will revert it.
aw1621107/brew,staticfloat/brew,EricFromCanada/brew,vitorgalvao/brew,konqui/brew,palxex/brew,rwhogg/brew,reelsense/brew,sjackman/homebrew,mgrimes/brew,Linuxbrew/brew,EricFromCanada/brew,MikeMcQuaid/brew,hanxue/linuxbrew,Homebrew/brew,mahori/brew,nandub/brew,DomT4/brew,mgrimes/brew,aw1621107/brew,nandub/brew,ilovezfs/brew,toonetown/homebrew,mistydemeo/homebrew,mistydemeo/homebrew,reelsense/brew,Homebrew/brew,muellermartin/dist,pseudocody/brew,aw1621107/brew,nandub/brew,gregory-nisbet/brew,hanxue/linuxbrew,gordonmcshane/homebrew,reitermarkus/brew,EricFromCanada/brew,mgrimes/brew,mahori/brew,reelsense/brew,rwhogg/brew,AnastasiaSulyagina/brew,EricFromCanada/brew,gordonmcshane/homebrew,alyssais/brew,Linuxbrew/brew,rwhogg/brew,muellermartin/dist,DomT4/brew,konqui/brew,claui/brew,vitorgalvao/brew,reitermarkus/brew,gordonmcshane/homebrew,gregory-nisbet/brew,reitermarkus/brew,tonyg/homebrew,JCount/brew,Linuxbrew/brew,MikeMcQuaid/brew,jmsundar/brew,mahori/brew,JCount/brew,bfontaine/brew,maxim-belkin/brew,zmwangx/brew,claui/brew,zmwangx/brew,tonyg/homebrew,mahori/brew,amar-laksh/brew_sudo,pseudocody/brew,ilovezfs/brew,maxim-belkin/brew,bfontaine/brew,Linuxbrew/brew,amar-laksh/brew_sudo,claui/brew,sjackman/homebrew,gregory-nisbet/brew,maxim-belkin/brew,MikeMcQuaid/brew,nandub/brew,reitermarkus/brew,bfontaine/brew,muellermartin/dist,toonetown/homebrew,alyssais/brew,palxex/brew,sjackman/homebrew,DomT4/brew,sjackman/homebrew,staticfloat/brew,staticfloat/brew,vitorgalvao/brew,AnastasiaSulyagina/brew,hanxue/linuxbrew,claui/brew,jmsundar/brew,MikeMcQuaid/brew,pseudocody/brew,vitorgalvao/brew,toonetown/homebrew,konqui/brew,JCount/brew,amar-laksh/brew_sudo,DomT4/brew,palxex/brew,Homebrew/brew,JCount/brew,konqui/brew,jmsundar/brew,Homebrew/brew,mistydemeo/homebrew,ilovezfs/brew,zmwangx/brew,alyssais/brew,tonyg/homebrew,AnastasiaSulyagina/brew