build: Various simplifications

meson.build

@@ -11,11 +11,9 @@ base_id = 'org.gnome.Tour'
 
 dependency('glib-2.0', version: '>= 2.64')
 dependency('gio-2.0', version: '>= 2.56')
-dependency('gdk-pixbuf-2.0')
 dependency('gtk4', version: '>= 4.4')
 dependency('libadwaita-1', version: '>= 1')
 
-glib_compile_resources = find_program('glib-compile-resources', required: true)
 desktop_file_validate = find_program('desktop-file-validate', required: false)
 appstreamcli = find_program('appstreamcli', required: false)
 cargo = find_program('cargo')

src/meson.build

@@ -5,7 +5,7 @@ global_conf.set_quoted('PROFILE', profile)
 global_conf.set_quoted('VERSION', version + version_suffix)
 global_conf.set_quoted('GETTEXT_PACKAGE', gettext_package)
 global_conf.set_quoted('LOCALEDIR', localedir)
-config = configure_file(
+configure_file(
   input: 'config.rs.in',
   output: 'config.rs',
   configuration: global_conf
@@ -33,7 +33,7 @@ endif
 
 cargo_env = [ 'CARGO_HOME=' + meson.project_build_root() / 'cargo-home' ]
 
-cargo_build = custom_target(
+custom_target(
   'cargo-build',
   build_by_default: true,
   build_always_stale: true,