diagnostic: also don't check Jenkins core branch.
diagnostic: also don't check Jenkins core branch.

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