Deleted YGSetMemoryFucs as it is unused

Reviewed By: emilsjolander

Differential Revision: D6374147

fbshipit-source-id: 8c896dce23571268a1a52df5cc72486af9d66df7

Author: priteshrnandgaonkar

ReactCommon/yoga/yoga/Yoga.c

@@ -3816,23 +3816,3 @@ void *YGConfigGetContext(const YGConfigRef config) {
 void YGConfigSetNodeClonedFunc(const YGConfigRef config, const YGNodeClonedFunc callback) {
   config->cloneNodeCallback = callback;
 }
-
-void YGSetMemoryFuncs(YGMalloc ygmalloc, YGCalloc yccalloc, YGRealloc ygrealloc, YGFree ygfree) {
-  YGAssert(gNodeInstanceCount == 0 && gConfigInstanceCount == 0,
-           "Cannot set memory functions: all node must be freed first");
-  YGAssert((ygmalloc == NULL && yccalloc == NULL && ygrealloc == NULL && ygfree == NULL) ||
-               (ygmalloc != NULL && yccalloc != NULL && ygrealloc != NULL && ygfree != NULL),
-           "Cannot set memory functions: functions must be all NULL or Non-NULL");
-
-  if (ygmalloc == NULL || yccalloc == NULL || ygrealloc == NULL || ygfree == NULL) {
-    gYGMalloc = &malloc;
-    gYGCalloc = &calloc;
-    gYGRealloc = &realloc;
-    gYGFree = &free;
-  } else {
-    gYGMalloc = ygmalloc;
-    gYGCalloc = yccalloc;
-    gYGRealloc = ygrealloc;
-    gYGFree = ygfree;
-  }
-}

ReactCommon/yoga/yoga/Yoga.h

@@ -279,7 +279,4 @@ WIN_EXPORT YGConfigRef YGConfigGetDefault(void);
 WIN_EXPORT void YGConfigSetContext(const YGConfigRef config, void *context);
 WIN_EXPORT void *YGConfigGetContext(const YGConfigRef config);
 
-WIN_EXPORT void
-YGSetMemoryFuncs(YGMalloc ygmalloc, YGCalloc yccalloc, YGRealloc ygrealloc, YGFree ygfree);
-
 YG_EXTERN_C_END