Cleanup: MEM: Remove outdated comment

intern/guardedalloc/MEM_guardedalloc.h

@@ -312,8 +312,6 @@ template<typename T> inline T *MEM_cnew(const char *allocation_name)
 {
   static_assert(std::is_trivial_v<T>, "For non-trivial types, MEM_new should be used.");
   if (alignof(T) <= MEM_MIN_CPP_ALIGNMENT) {
-    /* TODO: Could possibly cover more cases, like alignment of 8 or 16. Need to be careful as the
-     * alignment of MEM_callocN is not really guaranteed. */
     return static_cast<T *>(MEM_callocN(sizeof(T), allocation_name));
   }
   void *ptr = MEM_mallocN_aligned(sizeof(T), alignof(T), allocation_name);