Summary:
In D16805827, I moved `RCTImageLoader`, `RCTImageStoreManager`, and `RCTImageEditingManager` to `CoreModules`. This was necessary to turn `RCTImageLoader` into a TurboModule. However, after D17671288 landed, it's no longer necessary to have OSS NativeModules in `CoreModules`. Therefore, I'm moving these NativeModules back to `RCTImage`.
Changelog: [iOS][Fixed] Move RCTImage NativeModules back to RCTImage
Reviewed By: shergin
Differential Revision: D17921612
fbshipit-source-id: 8ae36d2dc8deaf704313cbe2479bfa011ebcbfbc