Inwin: migrate docs.

legacy/elementary/src/lib/elm_inwin.eo

@@ -4,8 +4,7 @@ class Elm.Inwin (Elm.Layout)
    data: null;
    methods {
       activate {
-         /*@
-         Activates an inwin object, ensuring its visibility
+         [[Activates an inwin object, ensuring its visibility
 
            This function will make sure that the inwin $obj is completely visible
            by calling evas_object_show() and evas_object_raise() on it, to bring it
@@ -13,9 +12,7 @@ class Elm.Inwin (Elm.Layout)
            onto its content.
 
            The object's theme will also receive the signal "elm,action,show" with
-         source "elm".
-
-         @ingroup Inwin */
+           source "elm".]]
 
          legacy: elm_win_inwin_activate;
       }