Remove symlink and copy the actual files

Summary: Removes the symlink files and copies the actual files. The OSS build is broken as its not able to access those files.It used to work before as the ship it config used to sync thos files from fbobjc. But that approach is fragile as it broke our OSS build recently, because of this diff D16829348

Reviewed By: jknoxville

Differential Revision: D16891051

fbshipit-source-id: b5146129adc8628d336fbca5936539d2e1131ba2

iOS/FlipperKit/FBCxxFollyDynamicConvert/FBCxxFollyDynamicConvert.h

@@ -1 +0,0 @@
-../../../../../fbobjc/Libraries/FBCxxUtils/FBCxxFollyDynamicConvert/FBCxxFollyDynamicConvert.h

iOS/FlipperKit/FBCxxFollyDynamicConvert/FBCxxFollyDynamicConvert.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#pragma once
+
+#import <Foundation/Foundation.h>
+
+#include <folly/dynamic.h>
+
+namespace facebook {
+namespace cxxutils {
+
+folly::dynamic convertIdToFollyDynamic(id json, bool nullifyNanAndInf = false);
+id convertFollyDynamicToId(const folly::dynamic &dyn);
+
+} }