[gnome-builder] rubocop: remove unused gschema

[Christian Hergert <chergert src gnome org>]

commit 1fd1cf6c2e5bc64ee315aa4c9a948e99cf43f2c3
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 11 11:01:34 2021 -0700

    rubocop: remove unused gschema

 src/plugins/rubocop/meson.build | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/src/plugins/rubocop/meson.build b/src/plugins/rubocop/meson.build
index b81d09370..9dd9c844c 100644
--- a/src/plugins/rubocop/meson.build
+++ b/src/plugins/rubocop/meson.build
@@ -2,9 +2,6 @@ if get_option('plugin_rubocop')
 
 install_data('rubocop_plugin.py', install_dir: plugindir)
 
-install_data('org.gnome.builder.plugins.rubocop.gschema.xml',
-  install_dir: schema_dir)
-
 configure_file(
           input: 'rubocop.plugin',
          output: 'rubocop.plugin',