Remove test code

distrho/extra/Mutex.hpp

@@ -46,8 +46,6 @@ public:
         pthread_mutexattr_init(&attr);
         pthread_mutexattr_setprotocol(&attr, inheritPriority ? PTHREAD_PRIO_INHERIT : PTHREAD_PRIO_NONE);
         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL);
-        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
-        pthread_mutexattr_setrobust(&attr, PTHREAD_MUTEX_ROBUST);
         pthread_mutex_init(&fMutex, &attr);
         pthread_mutexattr_destroy(&attr);
     }