Fixed bug for sending appleAttributionToken in the server requests. (#1535)

Author: NidhiDixit09

Sources/BranchSDK/BNCRequestFactory.m

@@ -94,9 +94,6 @@ - (void) loadDataFromThirdPartyAPIs {
         dispatch_group_enter(apiGroup);
         dispatch_async(concurrentQueue, ^{
             self.appleAttributionToken = [BNCSystemObserver appleAttributionToken];
-            if (self.appleAttributionToken) {
-                self.preferenceHelper.appleAttributionTokenChecked = YES;
-            }
             dispatch_group_leave(apiGroup);
         });
     }