removed events from Pipeline

src/main/java/teetime/framework/Pipeline.java

@@ -37,19 +37,4 @@ public final class Pipeline<L extends Stage> extends CompositeStage {
 		return lastStages;
 	}
 
-	@Override
-	public void onValidating(final List<InvalidPortConnection> invalidPortConnections) {
-		firstStage.onValidating(invalidPortConnections);
-	}
-
-	@Override
-	public void onStarting() throws Exception {
-		firstStage.onStarting();
-	}
-
-	@Override
-	public void onTerminating() throws Exception {
-		firstStage.onTerminating();
-	}
-
 }