[epiphany] Revert "Allow wrap around during tab move"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3557f40fe95ec03f486576a473b635e242393d8f
Author: Michael Catanzaro <mcatanzaro posteo net>
Date:   Sat Dec 29 16:19:32 2018 +0000

    Revert "Allow wrap around during tab move"
    
    This reverts commit 52399be9227016babe2a425fdd62a370d0c4298f

 src/window-commands.c | 25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)
---
diff --git a/src/window-commands.c b/src/window-commands.c
index acda6cb5f..a725d9863 100644
--- a/src/window-commands.c
+++ b/src/window-commands.c
@@ -2251,22 +2251,15 @@ window_cmd_tabs_move_left (GSimpleAction *action,
 {
   GtkWidget *child;
   GtkNotebook *notebook;
-  int page, n_pages, to;
+  int page;
 
   notebook = GTK_NOTEBOOK (ephy_window_get_notebook (EPHY_WINDOW (user_data)));
   page = gtk_notebook_get_current_page (notebook);
-  n_pages = gtk_notebook_get_n_pages (notebook) - 1;
-
-  if (!n_pages)
-    return;
-
   if (page < 1)
-    to = n_pages;
-  else
-    to = page - 1;
+    return;
 
   child = gtk_notebook_get_nth_page (notebook, page);
-  gtk_notebook_reorder_child (notebook, child, to);
+  gtk_notebook_reorder_child (notebook, child, page - 1);
 }
 
 void window_cmd_tabs_move_right (GSimpleAction *action,
@@ -2275,22 +2268,16 @@ void window_cmd_tabs_move_right (GSimpleAction *action,
 {
   GtkWidget *child;
   GtkNotebook *notebook;
-  int page, n_pages, to;
+  int page, n_pages;
 
   notebook = GTK_NOTEBOOK (ephy_window_get_notebook (EPHY_WINDOW (user_data)));
   page = gtk_notebook_get_current_page (notebook);
   n_pages = gtk_notebook_get_n_pages (notebook) - 1;
-
-  if (!n_pages)
-    return;
-
   if (page > n_pages - 1)
-    to = 0;
-  else
-    to = page + 1;
+    return;
 
   child = gtk_notebook_get_nth_page (notebook, page);
-  gtk_notebook_reorder_child (notebook, child, to);
+  gtk_notebook_reorder_child (notebook, child, page + 1);
 }
 
 void