qcacld-3.0: Remove macro VERSION_VALUE_MAX_LEN

Macro VERSION_VALUE_MAX_LEN is unused, so remove it.

Change-Id: I6e5dc52a50f01395269e2e089ca129adfd1ad1ea
CRs-Fixed: 2379066

core/hdd/src/wlan_hdd_wext.c

@@ -2887,8 +2887,6 @@ enum host_target_comm_log {
 		}							\
 	} while (0)
 
-#define VERSION_VALUE_MAX_LEN 32
-
 #define TX_PER_TRACKING_DEFAULT_RATIO             5
 #define TX_PER_TRACKING_MAX_RATIO                10
 #define TX_PER_TRACKING_DEFAULT_WATERMARK         5