remove obsolete @brief doxygen tags

src/libfast/dispatcher.h

@@ -90,7 +90,7 @@ struct dispatcher_t {
 						   controller_constructor_t constructor, void *param);
 
 	/**
-	 * @brief Add a filter to the dispatcher.
+	 * Add a filter to the dispatcher.
 	 *
 	 * @param constructor	constructor to create filter in session
 	 * @param param			param to pass to constructor

src/libfast/session.h

@@ -47,7 +47,7 @@ struct session_t {
 	void (*add_controller)(session_t *this, controller_t *controller);
 
 	/**
-	 * @brief Add a filter instance to the session.
+	 * Add a filter instance to the session.
 	 *
 	 * @param filter		filter to add
 	 */