Merge pull request #3274 from jianhan-he/master

Revert "[iOS] set instance frame when relayout"
diff --git a/ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.mm b/ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.mm
index 111ebdf..9f89fcb 100644
--- a/ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.mm
+++ b/ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.mm
@@ -796,7 +796,6 @@
                 CGRect rect = self.weexInstance.rootView.frame; // no change of origin
                 rect.size = frame.size;
                 self.weexInstance.rootView.frame = rect;
-                self.weexInstance.frame = rect;
             }
         });
     }