Remove cpdc references

Change-Id: I6149f3df145eaa7a588a10f13adc3dec834cd867

Author: morganchen12

FirebaseUI.podspec

@@ -4,8 +4,7 @@ Pod::Spec.new do |s|
   s.summary      = 'UI binding libraries for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0', :file => 'LICENSE' }
-  # s.source       = { :git => 'https://github.com/firebase/FirebaseUI-iOS.git', :tag => 'v5.0.0' }
-  s.source       = { :git => 'sso://devrel/firebaseui-ios', :branch => 'firebase-5' }
+  s.source       = { :git => 'https://github.com/firebase/FirebaseUI-iOS.git', :tag => 'v5.0.0' }
   s.author       = 'Firebase'
   s.platform = :ios
   s.ios.deployment_target = '9.0'

samples/swift/Podfile

@@ -1,6 +1,3 @@
-source 'sso://cpdc-internal/spec'
-source 'https://github.com/CocoaPods/Specs.git'
-
 target 'FirebaseUI-demo-swift' do
   use_frameworks!