Revert "beautifier: embed beautifier resources"

This reverts commit 9fed9f2a.

src/plugins/beautifier/beautifier.gresource.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<gresources>
-  <gresource prefix="/org/gnome/builder/plugins/beautifier_plugin">
-    <file>beautifier.plugin</file>
-    <file>gtk/menus.ui</file>
-    <file>data/xml/config.ini</file>
-    <file>data/d/config.ini</file>
-    <file>data/d/d.cfg</file>
-    <file>data/python/config.ini</file>
-    <file>data/c/config.ini</file>
-    <file>data/c/gnu-indent.cfg</file>
-    <file>data/c/linux-kernel.cfg</file>
-    <file>data/c/k&amp;r.cfg</file>
-    <file>data/html/tidy-autoindent.cfg</file>
-    <file>data/html/config.ini</file>
-    <file>data/html/tidy-indent.cfg</file>
-    <file>data/automake/config.ini</file>
-    <file>data/objc/config.ini</file>
-    <file>data/objc/objc.cfg</file>
-    <file>data/global.ini</file>
-    <file>data/c-sharp/config.ini</file>
-    <file>data/c-sharp/mono.cfg</file>
-    <file>internal/align_makefile.py</file>
-  </gresource>
-</gresources>

src/plugins/beautifier/gb-beautifier.gresource.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/org/gnome/builder/plugins/beautifier_plugin">
+    <file>beautifier.plugin</file>
+    <file>gtk/menus.ui</file>
+  </gresource>
+</gresources>

src/plugins/beautifier/meson.build

 if get_option('with_beautifier')
 
 beautifier_resources = gnome.compile_resources(
-  'beautifier-resources',
-  'beautifier.gresource.xml',
+  'gb-beautifier-resources',
+  'gb-beautifier.gresource.xml',
   c_name: 'gb_beautifier'
 )
 
@@ -22,4 +22,8 @@ beautifier_sources = [
 gnome_builder_plugins_sources += files(beautifier_sources)
 gnome_builder_plugins_sources += beautifier_resources[0]
 
+beautifier_datadir = join_paths(get_option('prefix'), plugindatadir, 'beautifier_plugin')
+install_subdir('beautifier_plugin/data', install_dir: beautifier_datadir)
+install_subdir('beautifier_plugin/internal', install_dir: beautifier_datadir)
+
 endif