update-bash: don't be quiet for git init
update-bash: don't be quiet for git init

The output will help to show git is initialized in the first time.
Hence, offer a better UX.

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