internal: nuke wlsignal and related

old semi-wrappers for wl_signal, they are no longer used

src/protocols/FocusGrab.hpp

@@ -53,9 +53,6 @@ class CFocusGrab {
 
     bool                                                                   m_bGrabActive = false;
 
-    DYNLISTENER(pointerGrabStarted);
-    DYNLISTENER(keyboardGrabStarted);
-    DYNLISTENER(touchGrabStarted);
     friend class CFocusGrabSurfaceState;
 };
 

src/protocols/PresentationTime.hpp

@@ -27,8 +27,6 @@ class CQueuedPresentationData {
     WP<CMonitor>           pMonitor;
     WP<CWLSurfaceResource> surface;
 
-    DYNLISTENER(destroySurface);
-
     friend class CPresentationFeedback;
     friend class CPresentationProtocol;
 };