[gnome-browser-extension/wip/refactor: 5/9] contrib: drop unused files

[Yuri Konotopov <ykonotopov src gnome org>]

commit 5f65a7e52c022356b2584ec76b03f3daee94655a
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sun Jul 10 10:59:57 2022 +0400

    contrib: drop unused files

 contrib/README                           |   4 -
 contrib/policies/chrome-gnome-shell.json |   5 -
 contrib/translation-coverage.php         | 230 -------------------------------
 contrib/ubuntu/README.Debian             |  11 --
 contrib/ubuntu/changelog                 |  19 ---
 contrib/ubuntu/compat                    |   1 -
 contrib/ubuntu/control                   |  17 ---
 contrib/ubuntu/control.in                |  17 ---
 contrib/ubuntu/copyright                 |  48 -------
 contrib/ubuntu/docs                      |   1 -
 contrib/ubuntu/preinst                   |  24 ----
 contrib/ubuntu/rules                     |  11 --
 contrib/ubuntu/source/format             |   1 -
 13 files changed, 389 deletions(-)
---
diff --git a/contrib/README b/contrib/README
index 9c8e333..e9fcd1d 100644
--- a/contrib/README
+++ b/contrib/README
@@ -1,5 +1 @@
  * chrome-web-store/: Chrome Web store extension detailed description
- * ubuntu/: debian metadata for Ubuntu PPA
- * translation-coverage.php: helper script for translations coverage statistics
- for https://wiki.gnome.org/Projects/GnomeShellIntegrationForChrome/Translations
- wiki page