Removed fetching app configuration data before calling FB.Init

Summary: Removed fetching app configuration data before calling FB.Init on iOS platform.

Reviewed By: SergioGuerreroFB

Differential Revision: D45648899

fbshipit-source-id: d9defc432e18379346dc47d6ffa3e77784bd8cca

UnitySDK/Assets/FacebookSDK/SDK/Editor/iOS/FBUnityInterface.mm

@@ -62,8 +62,7 @@ + (void)load
 
 - (void)didFinishLaunching:(NSNotification *)notification
 {
-  [[FBSDKApplicationDelegate sharedInstance] application:[UIApplication sharedApplication]
-                           didFinishLaunchingWithOptions:notification.userInfo];
+
 }
 
 - (void)didBecomeActive:(NSNotification *)notification
@@ -395,6 +394,9 @@ void IOSFBSendViewHierarchy(const char *_tree )
 
   void IOSFBInit(const char *_appId, bool _frictionlessRequests, const char *_urlSuffix, const char *_userAgentSuffix)
   {
+    // Initialize SDK first
+    [[FBSDKApplicationDelegate sharedInstance] initializeSDK];
+
     // Set the user agent before calling init to ensure that calls made during
     // init use the user agent suffix.
     [FBSDKSettings.sharedSettings setUserAgentSuffix:[FBUnityUtility stringFromCString:_userAgentSuffix]];