[evince] help: remove Keyboard Shortcuts page

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

commit a050ee73d7a55b489c085ff81e654c656043e1fa
Author: Sabri Ünal <libreajans gmail com>
Date:   Mon Mar 1 01:50:02 2021 +0300

    help: remove Keyboard Shortcuts page
    
    Due to, we have a Keyboard Shortcuts dialog, remove the Keyboard Shortcuts help page.

 help/C/shortcuts.page | 284 --------------------------------------------------
 help/meson.build      |   1 -
 2 files changed, 285 deletions(-)
---
diff --git a/help/meson.build b/help/meson.build
index 747f851e..b6865e14 100644
--- a/help/meson.build
+++ b/help/meson.build
@@ -77,7 +77,6 @@ if enable_user_doc
     'print-pagescaling.page',
     'print-select.page',
     'reload.page',
-    'shortcuts.page',
     'singlesided-13-16pages.page',
     'singlesided-17-20pages.page',
     'singlesided-3-4pages.page',