mongodb@3.6: remove duplicated xcode dependency (#14160)
mongodb@3.6: remove duplicated xcode dependency (#14160)


maxim-belkin/homebrew-core,Linuxbrew/homebrew-core,LinuxbrewTestBot/homebrew-core,maxim-belkin/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core,rwhogg/homebrew-core