[gnome-tetravex] help: Remove Shortcuts page

[Jeremy Bicha <jbicha src gnome org>]

commit 5adcbd6e2ad6427784e5ceef5eef271df7a40204
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Tue Jan 8 12:12:50 2019 -0500

    help: Remove Shortcuts page
    
    We don't need it anymore since we have a Keyboard Shortcuts overlay.
    And there were no complaints about removing the help page.

 help/C/shortcut.page | 86 ----------------------------------------------------
 help/meson.build     |  1 -
 2 files changed, 87 deletions(-)
---
diff --git a/help/meson.build b/help/meson.build
index 77f9e90..e34505e 100644
--- a/help/meson.build
+++ b/help/meson.build
@@ -3,7 +3,6 @@ gnome.yelp ('gnome-tetravex',
                        'index.page',
                        'license.page',
                        'move.page',
-                       'shortcut.page',
                        'size.page',
                        'usage.page',
                        'winning.page' ],