cleanup the defines, move old DisplayDriver implementations out because they are currently unused and won't build

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12438 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/ServerApp.cpp

@@ -379,7 +379,7 @@ int32 ServerApp::MonitorApp(void *data)
 				// If we are using the real, accelerated version of the
 				// DisplayDriver, we do NOT want the user to be able shut down
 				// the server. The results would NOT be pretty
-#if DISPLAYDRIVER != HWDRIVER
+#if TEST_MODE
 				BMessage pleaseQuit(B_QUIT_REQUESTED);
 				app->SendMessageToClient(&pleaseQuit);
 #endif