Move menu models to the game class

data/gtk/game.blp

@@ -44,7 +44,6 @@ template game : Box {
               margin-bottom: 6;
               margin-end: 6;
               margin-start: 6;
-              menu-model: game_options;
               hexpand: true;
               halign: end;
 

data/gtk/window.blp

@@ -404,41 +404,3 @@ menu add_games {
     }
   }
 }
-
-menu game_options {
-  section {
-    item {
-      label: _("Edit");
-      action: "app.edit_details";
-    }
-
-    item {
-      label: _("Hide");
-      action: "app.hide_game";
-    }
-
-    item {
-      label: _("Remove");
-      action: "app.remove_game";
-    }
-  }
-}
-
-menu hidden_game_options {
-  section {
-    item {
-      label: _("Edit");
-      action: "app.edit_details";
-    }
-
-    item {
-      label: _("Unhide");
-      action: "app.hide_game";
-    }
-
-    item {
-      label: _("Remove");
-      action: "app.remove_game";
-    }
-  }
-}