[evince/wip/gpoo/gtk4-rebase-port: 75/89] ev-view: remove commented code

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 38f1661c738e9c994a926ef774a1263b37a199b3
Author: Qiu Wenbo <qiuwenbo kylinos com cn>
Date:   Fri Aug 27 16:43:33 2021 +0800

    ev-view: remove commented code
    
    Signed-off-by: Qiu Wenbo <qiuwenbo kylinos com cn>

 libview/ev-view.c | 13 -------------
 1 file changed, 13 deletions(-)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index b9d76ed98..934938ffd 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -6050,19 +6050,6 @@ ev_view_motion_notify_event (GtkEventControllerMotion    *self,
 
                return;
        case GDK_BUTTON_MIDDLE:
-#if 0
-               if (!view->drag_info.in_drag) {
-                       gboolean start;
-                       int i;
-
-                       start = gtk_drag_check_threshold (widget,
-                                                         view->drag_info.start.x,
-                                                         view->drag_info.start.y,
-                                                         event->x_root,
-                                                         event->y_root);
-                       view->drag_info.in_drag = start;
-               }
-#endif
                break;
        default:
                ev_view_handle_cursor_over_xy (view, x, y);