Remove unused defines from perf_error_detection

kernel/sched/perf_error_detection.c

 #include "perf_error_detection.h"
 #include <linux/smp.h>
 
-#define PERF_SAMPLE_PERIOD_SIZE		100000
-
 /*
  * Our understanding of perf so far. Please correct as needed.
  *
@@ -72,7 +70,6 @@ void overflow_handler(
 
 
 	printk(KERN_WARNING "PB TASK %llu RAN TOO LONG\n",pb_rq->plan[pb_rq->c_entry].task_id);
-
 }
 
 struct perf_event* perf_event_create(struct perf_event_attr *hw_event_uptr, int cpu)

kernel/sched/perf_error_detection.h

 #ifndef __PERF_ERROR_DETECTION_H
 #define __PERF_ERROR_DETECTION_H
 #include <linux/perf_event.h>
-//#include <linux/sched.h>
 #include "sched.h"
-//#include "../../include/linux/signal.h"
-//#include <linux/ioctl.h>
-//#include "../../include/linux/fs.h"
-
-//#include <include/linux/smp.h>
 #endif
 
 int init_perf_event(struct plan_entry, struct perf_event **pevent);