Remove some unused constant macros in constants.h

As the code history changes, some constant macros are not used, so
remove the unused macros in constants.h.

Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>

constants.h

@@ -6,28 +6,4 @@
 
 #define NSEC_PER_SEC 1e9
 
-/* NUMA topology refresh intervals, in units of SLEEP_INTERVAL */
-#define NUMA_REFRESH_INTERVAL 32
-/* NIC interrupt refresh interval, in units of SLEEP_INTERVAL */
-#define NIC_REFRESH_INTERVAL 32
-
-/* minimum number of interrupts since boot for an interrupt to matter */
-#define MIN_IRQ_COUNT	20
-
-
-/* balancing tunings */
-
-#define CROSS_PACKAGE_PENALTY		3000
-#define NUMA_PENALTY			500
-#define POWER_MODE_PACKAGE_THRESHOLD 	20000
-#define CLASS_VIOLATION_PENTALTY	6000
-#define MSI_CACHE_PENALTY		10000
-#define CORE_SPECIFIC_THRESHOLD		5000
-
-/* power mode */
-
-#define POWER_MODE_SOFTIRQ_THRESHOLD	20
-#define POWER_MODE_HYSTERESIS		3
-
-
 #endif