docs(memory): moving the actual documentation on the header

- The documentation on the header allow u to see on the files where the
header is inclued

memory/ft_bzero.c

@@ -6,19 +6,13 @@
 /*   By: rparodi <marvin@42.fr>                     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/07 16:43:13 by rparodi           #+#    #+#             */
-/*   Updated: 2025/09/01 16:39:50 by rparodi          ###   ########.fr       */
+/*   Updated: 2025/09/05 16:26:53 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "memory.h"
 #include <unistd.h>
 
-/**
- * @brief Sets a block of memory to zero
- *
- * @param s Pointer to the memory area to be set at zero
- * @param n Number of bytes to set to zero
- */
 void	ft_bzero(void *s, size_t n)
 {
 	ft_memset(s, 0, n);