improve aligned allocation performance

include/mimalloc-internal.h

@@ -247,11 +247,6 @@ static inline size_t _mi_wsize_from_size(size_t size) {
   return (size + sizeof(uintptr_t) - 1) / sizeof(uintptr_t);
 }
 
-// Does malloc satisfy the alignment constraints already?
-static inline bool mi_malloc_satisfies_alignment(size_t alignment, size_t size) {
-  return (alignment == sizeof(void*) || (alignment == MI_MAX_ALIGN_SIZE && size > (MI_MAX_ALIGN_SIZE/2)));
-}
-
 // Overflow detecting multiply
 #if __has_builtin(__builtin_umul_overflow) || (defined(__GNUC__) && (__GNUC__ >= 5))
 #include <limits.h>      // UINT_MAX, ULONG_MAX