Remove unused method releaseFastMallocFreeMemory

Source/wtf/FastMalloc.cpp

 // Copyright (c) 2005, 2007, Google Inc.
 // All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 32 matching lines @@
 }
 
 char* fastStrDup(const char* src)
 {
     size_t len = strlen(src) + 1;
     char* dup = static_cast<char*>(fastMalloc(len));
     memcpy(dup, src, len);
     return dup;
 }
 
-// TODO: remove these two.
-void releaseFastMallocFreeMemory() { }
-
 FastMallocStatistics fastMallocStatistics()
 {
     FastMallocStatistics statistics = { 0, 0, 0 };
     return statistics;
 }
 
 } // namespace WTF
 
 #if USE(SYSTEM_MALLOC)
 
@@ skipping 65 matching lines @@
 }
 
 void* fastRealloc(void* p, size_t n)
 {
     return partitionReallocGeneric(gPartition.root(), p, n);
 }
 
 } // namespace WTF
 
 #endif // USE(SYSTEM_MALLOC)