Remove unused variables.

util.c

@@ -2506,7 +2506,7 @@ void *completion_thread(void *arg)
 	return NULL;
 }
 
-bool _cg_completion_timeout(void *fn, void *fnarg, int timeout, const char *file, const char *func, const int line)
+bool cg_completion_timeout(void *fn, void *fnarg, int timeout)
 {
 	struct cg_completion *cgc;
 	pthread_t pthread;

util.h

@@ -134,14 +134,13 @@ void _cgsem_post(cgsem_t *cgsem, const char *file, const char *func, const int l
 void _cgsem_wait(cgsem_t *cgsem, const char *file, const char *func, const int line);
 int _cgsem_mswait(cgsem_t *cgsem, int ms, const char *file, const char *func, const int line);
 void _cgsem_destroy(cgsem_t *cgsem);
-bool _cg_completion_timeout(void *fn, void *fnarg, int timeout, const char *file, const char *func, const int line);
+bool cg_completion_timeout(void *fn, void *fnarg, int timeout);
 
 #define cgsem_init(_sem) _cgsem_init(_sem, __FILE__, __func__, __LINE__)
 #define cgsem_post(_sem) _cgsem_post(_sem, __FILE__, __func__, __LINE__)
 #define cgsem_wait(_sem) _cgsem_wait(_sem, __FILE__, __func__, __LINE__)
 #define cgsem_mswait(_sem, _timeout) _cgsem_mswait(_sem, _timeout, __FILE__, __func__, __LINE__)
 #define cgsem_destroy(_sem) _cgsem_destroy(_sem)
-#define cg_completion_timeout(fn, fnarg, timeout) _cg_completion_timeout(fn, fnarg, timeout, __FILE__, __func__, __LINE__)
 
 /* Align a size_t to 4 byte boundaries for fussy arches */
 static inline void align_len(size_t *len)