Remove unused JackPosixSemaphore::Wait() function

This doesn't seem necessary since it is implmented below

posix/JackPosixSemaphore.cpp

@@ -81,23 +81,6 @@ bool JackPosixSemaphore::SignalAll()
     return (res == 0);
 }
 
-/*
-bool JackPosixSemaphore::Wait()
-{
-    int res;
-
-    if (!fSemaphore) {
-        jack_error("JackPosixSemaphore::Wait name = %s already deallocated!!", fName);
-        return false;
-    }
-
-    if ((res = sem_wait(fSemaphore)) != 0) {
-        jack_error("JackPosixSemaphore::Wait name = %s err = %s", fName, strerror(errno));
-    }
-    return (res == 0);
-}
-*/
-
 bool JackPosixSemaphore::Wait()
 {
     int res;