XCode 프로젝트에서 pods 제거하는 방법

1. Open terminal on your Mac. In terminal navigate to your Xcode Project directory with cd
2. In terminal type: sudo gem install cocoapods-deintegrate cocoapods-clean
3. In terminal type: pod deintegrate
4. In terminal type: pod clean
5. In terminal type: rm Podfile

혹시나 다음과 같은 에러가 난다면

Ignoring ffi-1.15.5 because its extensions are not built. Try: gem pristine ffi --version 1.15.5

하라는대로 해주면 된다.

sudo gem pristine ffi