Fix some event macro arguments in interface declarations

Remove the non-existent arguments and unnecessary backslashes.

See #25278.

(cherry picked from commit 0b8049e577)

interface/wx/mediactrl.h

@@ -48,10 +48,10 @@ enum wxMediaCtrlPlayerControls
     Event wxMediaCtrl uses.
 
     @beginEventTable{wxMediaEvent}
-    @event{EVT_MEDIA_LOADED(id\, func)}
+    @event{EVT_MEDIA_LOADED(id, func)}
            Sent when a media has loaded enough data that it can start playing.
            Processes a @c wxEVT_MEDIA_LOADED event type.
-    @event{EVT_MEDIA_STOP(id\, func)}
+    @event{EVT_MEDIA_STOP(id, func)}
            Sent when a media has switched to the @c wxMEDIASTATE_STOPPED state.
            You may be able to Veto this event to prevent it from stopping,
            causing it to continue playing - even if it has reached that end of
@@ -59,16 +59,16 @@ enum wxMediaCtrlPlayerControls
            want to loop the media, for example, catch the @c EVT_MEDIA_FINISHED
            and play there instead).
            Processes a @c wxEVT_MEDIA_STOP event type.
-    @event{EVT_MEDIA_FINISHED(id\, func)}
+    @event{EVT_MEDIA_FINISHED(id, func)}
            Sent when a media has finished playing in a wxMediaCtrl.
            Processes a @c wxEVT_MEDIA_FINISHED event type.
-    @event{EVT_MEDIA_STATECHANGED(id\, func)}
+    @event{EVT_MEDIA_STATECHANGED(id, func)}
            Sent when a media has switched its state (from any media state).
            Processes a @c wxEVT_MEDIA_STATECHANGED event type.
-    @event{EVT_MEDIA_PLAY(id\, func)}
+    @event{EVT_MEDIA_PLAY(id, func)}
            Sent when a media has switched to the @c wxMEDIASTATE_PLAYING state.
            Processes a @c wxEVT_MEDIA_PLAY event type.
-    @event{EVT_MEDIA_PAUSE(id\, func)}
+    @event{EVT_MEDIA_PAUSE(id, func)}
            Sent when a media has switched to the @c wxMEDIASTATE_PAUSED state.
            Processes a @c wxEVT_MEDIA_PAUSE event type.
     @endEventTable

interface/wx/toplevel.h

@@ -60,7 +60,7 @@ enum
     internal top level window list.
 
     @beginEventEmissionTable
-    @event{EVT_MAXIMIZE(id, func)}
+    @event{EVT_MAXIMIZE(func)}
         Process a @c wxEVT_MAXIMIZE event. See wxMaximizeEvent.
     @event{EVT_MOVE(func)}
         Process a @c wxEVT_MOVE event, which is generated when a window is moved.
@@ -75,7 +75,7 @@ enum
         See wxMoveEvent.
     @event{EVT_SHOW(func)}
         Process a @c wxEVT_SHOW event. See wxShowEvent.
-    @event{EVT_FULLSCREEN(id, func)}
+    @event{EVT_FULLSCREEN(func)}
         Process a @c wxEVT_FULLSCREEN event. See wxFullScreenEvent.
     @endEventTable
 

interface/wx/window.h

@@ -282,7 +282,7 @@ enum wxWindowVariant
     @endExtraStyleTable
 
     @beginEventEmissionTable
-    @event{EVT_ACTIVATE(id, func)}
+    @event{EVT_ACTIVATE(func)}
         Process a @c wxEVT_ACTIVATE event. See wxActivateEvent.
     @event{EVT_CHILD_FOCUS(func)}
         Process a @c wxEVT_CHILD_FOCUS event. See wxChildFocusEvent.