tools/power turbostat: Remove dead code

amperf_group_fd is never used.

Signed-off-by: Len Brown <len.brown@intel.com>

Author: lenb

tools/power/x86/turbostat/turbostat.c

@@ -466,8 +466,6 @@ static void bic_groups_init(void)
 #define PCL_10 14		/* PC10 */
 #define PCLUNL 15		/* Unlimited */
 
-struct amperf_group_fd;
-
 char *proc_stat = "/proc/stat";
 FILE *outf;
 int *fd_percpu;
@@ -4418,11 +4416,6 @@ int get_core_throt_cnt(int cpu, unsigned long long *cnt)
 	return 0;
 }
 
-struct amperf_group_fd {
-	int aperf;		/* Also the group descriptor */
-	int mperf;
-};
-
 static int read_perf_counter_info(const char *const path, const char *const parse_format, void *value_ptr)
 {
 	int fdmt;