Implemented virtual memory free

Removed legacy AES code

src/virtualMemory.cpp

@@ -109,4 +109,12 @@ void* allocLargePagesMemory(std::size_t bytes) {
 		throw std::runtime_error("allocLargePagesMemory - mmap failed");
 #endif
 	return mem;
-}
+}
+
+void freePagedMemory(void* ptr, std::size_t bytes) {
+#ifdef _WIN32
+	VirtualFree(ptr, 0, MEM_RELEASE);
+#else
+	munmap(ptr, bytes);
+#endif
+}