proc: remove now unneeded ADDBUF macro

#include <asm/processor.h>

#include "internal.h"

/* Gcc optimizes away "strlen(x)" for constant x */

#define ADDBUF(buffer, string) \

do { memcpy(buffer, string, strlen(string)); \

     buffer += strlen(string); } while (0)

static inline void task_name(struct seq_file *m, struct task_struct *p)

{

	int i;