ro: reduce memory usage by excising (unused) std::malloc

libraries/libstratosphere/include/stratosphere/ams/ams_environment.hpp

@@ -26,4 +26,7 @@ namespace ams {
     void InitializeForBoot();
     void SetInitialRebootPayload(const void *src, size_t src_size);
 
+    void *Malloc(size_t size);
+    void Free(void *ptr);
+
 }