Remove macro magic

Author: Adam-pi3

src/modules/exploit_detection/p_exploit_detection.c

@@ -1569,12 +1569,7 @@ int p_ed_enforce_pcfi(struct task_struct *p_task, struct p_ed_process *p_orig, s
       goto p_ed_enforce_pcfi_out;
 
 #ifndef CONFIG_UNWINDER_ORC
-   if (!p_is_obj_on_stack(p_task, p_fp,
-#if defined(CONFIG_ARM) || defined(CONFIG_X86_32)
- 4 )) {
-#else
- 8 )) {
-#endif
+   if (!p_is_obj_on_stack(p_task, p_fp, sizeof(void *))) {
       p_print_log(P_LOG_ALERT, "DETECT: Task: Frame pointer is not on the stack for pid %u, name %s",
          task_pid_nr(p_task), p_task->comm);
       goto p_ed_enforce_pcfi_do;