malloc: no longer need to round mempool's max_sz

Since commit 465b2cf this value is rounded at compile time instead.

Signed-off-by: Nicolas Pitre <[email protected]>

lib/libc/minimal/source/stdlib/malloc.c

@@ -105,7 +105,7 @@ void *realloc(void *ptr, size_t requested_size)
 	/* Determine size of previously allocated block by its level.
 	 * Most likely a bit larger than the original allocation
 	 */
-	block_size = _ALIGN4(blk->pool->base.max_sz);
+	block_size = blk->pool->base.max_sz;
 	for (int i = 1; i <= blk->level; i++) {
 		block_size = _ALIGN4(block_size / 4);
 	}