BMediaEventLooper: Revert recent timeout rework

* While on my system it looked like to run well, it introduced
a regression on some hardware. I'm reverting it as I don't have
a better solution, with the difference that we will do that only
for perfomance time events.
* Fixes #12624.

src/kits/media/MediaEventLooper.cpp

@@ -217,7 +217,6 @@ BMediaEventLooper::ControlLoop()
 	bigtime_t waitUntil = B_INFINITE_TIMEOUT;
 	bool hasRealtime = false;
 	bool hasEvent = false;
-	bool hasBooted = false;
 
 	// While there are no events or it is not time for the earliest event,
 	// process messages using WaitForMessages. Whenever this funtion times out,
@@ -274,14 +273,12 @@ BMediaEventLooper::ControlLoop()
 				fEventQueue.FirstEventTime(),
 				fEventLatency + fSchedulingLatency);
 
-			// The first event we handle will have
-			// a negative startup wait. In this case
-			// we just check the port and let the
-			// first event to be executed just now.
-			if (!hasBooted && waitUntil < 0) {
+			// TODO: At boot the wait time go
+			// to negative depending on the system
+			// speed, this should be fixed.
+			if (waitUntil < 0)
 				waitUntil = 0;
-				hasBooted = true;
-			}
+
 		} else if (!hasRealtime)
 			waitUntil = B_INFINITE_TIMEOUT;