Use blueprints directly

data/res/meson.build

@@ -1,21 +1,8 @@
 pkgdatadir = join_paths(get_option('prefix'), get_option('datadir'), meson.project_name())
 gnome = import('gnome')
 
-blueprints = custom_target('blueprints',
-  input: files(
-    'home_page.blp',
-    'playlist_page.blp',
-    'tile.blp',
-    'welcome_page.blp',
-    'window.blp'
-  ),
-  output: '.',
-  command: [find_program('blueprint-compiler'), 'batch-compile', '@OUTPUT@', '@CURRENT_SOURCE_DIR@', '@INPUT@'],
-)
-
 gnome.compile_resources('musicus',
   'musicus.gresource.xml',
-  dependencies: blueprints,
   gresource_bundle: true,
   install: true,
   install_dir: pkgdatadir,

data/res/musicus.gresource.xml

@@ -2,11 +2,6 @@
 <gresources>
   <gresource prefix="/de/johrpan/musicus">
     <file preprocess="xml-stripblanks">icons/scalable/actions/playlist-symbolic.svg</file>
-    <file preprocess="xml-stripblanks">home_page.ui</file>
-    <file preprocess="xml-stripblanks">playlist_page.ui</file>
-    <file preprocess="xml-stripblanks">tile.ui</file>
-    <file preprocess="xml-stripblanks">welcome_page.ui</file>
-    <file preprocess="xml-stripblanks">window.ui</file>
     <file compressed="true">style.css</file>
   </gresource>
 </gresources>