core: Revert printing threads for every GPU, this setting is not modifiable at run-time.

driver-opencl.c

@@ -1049,7 +1049,7 @@ static void get_opencl_statline_before(char *buf, size_t bufsiz, struct cgpu_inf
 
 static void get_opencl_statline(char *buf, size_t bufsiz, struct cgpu_info *gpu)
 {
-	tailsprintf(buf, bufsiz, " T:%d I:%2d", gpu->threads, gpu->intensity);
+	tailsprintf(buf, bufsiz, " I:%2d", gpu->intensity);
 }
 
 struct opencl_thread_data {