tools/liblockdep: Remove debug print left over from development

Remove a debug print in init_preload() which was left over from
development and isn't usefull at all currently. It was also causing
false positive test results.
Reported-by: NS. Lockwood-Childs <sjl@vctlabs.com>
Signed-off-by: NSasha Levin <sasha.levin@oracle.com>

tools/lib/lockdep/preload.c

@@ -439,8 +439,6 @@ __attribute__((constructor)) static void init_preload(void)
 	ll_pthread_rwlock_unlock = dlsym(RTLD_NEXT, "pthread_rwlock_unlock");
 #endif
 
-	printf("%p\n", ll_pthread_mutex_trylock);fflush(stdout);
-
 	lockdep_init();
 
 	__init_state = done;