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.

saketkc/linuxbrew,saketkc/linuxbrew,saketkc/linuxbrew,danabrand/linuxbrew,Linuxbrew/linuxbrew,bukzor/linuxbrew,davydden/linuxbrew,SuperNEMO-DBD/cadfaelbrew,danabrand/linuxbrew,lvicentesanchez/linuxbrew,sjackman/linuxbrew,Homebrew/linuxbrew,danabrand/linuxbrew,ebouaziz/linuxbrew,lvicentesanchez/linuxbrew,SuperNEMO-DBD/cadfaelbrew,Homebrew/linuxbrew,drbenmorgan/linuxbrew,davydden/linuxbrew,drbenmorgan/linuxbrew,Angeldude/linuxbrew,lvicentesanchez/linuxbrew,DoomHammer/linuxbrew,sjackman/linuxbrew,Linuxbrew/linuxbrew,reelsense/linuxbrew,jbaum98/linuxbrew,Homebrew/linuxbrew,saketkc/linuxbrew,bukzor/linuxbrew,reelsense/linuxbrew,Homebrew/linuxbrew,sjackman/linuxbrew,gnubila-france/linuxbrew,Angeldude/linuxbrew,Linuxbrew/linuxbrew,ebouaziz/linuxbrew,SuperNEMO-DBD/cadfaelbrew,Linuxbrew/linuxbrew,jbaum98/linuxbrew,danabrand/linuxbrew,DoomHammer/linuxbrew,bukzor/linuxbrew,Angeldude/linuxbrew,davydden/linuxbrew,sjackman/linuxbrew,drbenmorgan/linuxbrew,SuperNEMO-DBD/cadfaelbrew,gnubila-france/linuxbrew,lvicentesanchez/linuxbrew,DoomHammer/linuxbrew,DoomHammer/linuxbrew,reelsense/linuxbrew,davydden/linuxbrew,jbaum98/linuxbrew,jbaum98/linuxbrew,reelsense/linuxbrew,drbenmorgan/linuxbrew,ebouaziz/linuxbrew,gnubila-france/linuxbrew,Angeldude/linuxbrew,gnubila-france/linuxbrew,ebouaziz/linuxbrew,bukzor/linuxbrew