doctor: Disable check_for_bad_curl for Linuxbrew
doctor: Disable check_for_bad_curl for Linuxbrew

Ideally this would check the installed version of curl.

maxim-belkin/brew,hanxue/linuxbrew,rwhogg/brew,Linuxbrew/brew,Linuxbrew/brew,rwhogg/brew,Linuxbrew/brew,hanxue/linuxbrew,maxim-belkin/brew,Linuxbrew/brew,maxim-belkin/brew,hanxue/linuxbrew,rwhogg/brew