Remove 'sudo' from the npm installation instructions
Remove 'sudo' from the npm installation instructions

Using 'sudo' should not be required to install npm, and isn't if the
user has used the default Homebrew installation process.

Signed-off-by: Adam Vandenberg <34c2b6407fd5a10249a15d699d40f9ed1782e98c@gmail.com>

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