Delete fishhook

Summary: Fishhook was used to try to hide the log messages from RCTReconnectingWebSocket but that doesn't really work anymore. Deleting it now to unblock people trying to build for iOS 13.

Reviewed By: cpojer

Differential Revision: D15779390

fbshipit-source-id: ef18575d5d92ac374e189b1267dee3a9befc3551

Libraries/WebSocket/React-RCTWebSocket.podspec

@@ -27,11 +27,9 @@ Pod::Spec.new do |s|
   s.author                 = "Facebook, Inc. and its affiliates"
   s.platforms              = { :ios => "9.0", :tvos => "9.2" }
   s.source                 = source
-  s.source_files           = "*.{h,m}",
-                             "Libraries/fishhook/*.{h,c}"
+  s.source_files           = "*.{h,m}"
   s.preserve_paths         = "package.json", "LICENSE", "LICENSE-docs"
   s.header_dir             = "React"
 
   s.dependency "React-Core", version
-  s.dependency "React-fishhook", version
 end