Removed version numbers of pod-subspecs

Author: EddyVerbruggen

platforms/ios/Podfile

@@ -1,14 +1,15 @@
-pod 'Firebase/Database', '~> 3.3'
-pod 'Firebase/Auth', '~> 3.3'
+
+pod 'Firebase', '~> 3.3.0'
+pod 'Firebase/Auth'
 
 # Uncomment if you want to enable Remote Config
-#pod 'Firebase/RemoteConfig', '~> 3.3'
+#pod 'Firebase/RemoteConfig'
 
 # Uncomment if you want to enable FCM (Firebase Cloud Messaging)
-#pod 'Firebase/Messaging', '~> 3.3'
+#pod 'Firebase/Messaging'
 
 # Uncomment if you want to enable Firebase Storage
-#pod 'Firebase/Storage', '~> 3.3'
+#pod 'Firebase/Storage'
 
 # Uncomment if you want to enable Facebook Authentication
 #pod 'FBSDKCoreKit'