build: Generate autocleanup functions where possible

The autocleanup helpers are very useful and there is no reason to turn
them off, if the code still compiles.

Unfortunately the autocleanup for portal impl interfaces do generate
code that doesn't compile, so leave it turned off for now.

document-portal/meson.build

@@ -3,7 +3,6 @@ permission_store_built_sources = gnome.gdbus_codegen(
   sources: '../data/org.freedesktop.impl.portal.PermissionStore.xml',
   interface_prefix: 'org.freedesktop.impl.portal',
   namespace: 'Xdg',
-  autocleanup: 'none',
 )
 
 db_sources = files(
@@ -46,7 +45,6 @@ document_portal_built_sources = gnome.gdbus_codegen(
   ],
   interface_prefix: 'org.freedesktop.portal',
   namespace: 'XdpDbus',
-  autocleanup: 'none',
 )
 
 xdg_document_portal_sources = [

src/meson.build

@@ -6,7 +6,6 @@ portal_built_sources = gnome.gdbus_codegen(
   interface_prefix: 'org.freedesktop.portal',
   namespace: 'XdpDbus',
   docbook: 'portal',
-  autocleanup: 'none',
 )
 impl_built_sources = gnome.gdbus_codegen(
   'xdp-impl-dbus',
@@ -22,15 +21,13 @@ background_monitor_built_sources = gnome.gdbus_codegen(
   interface_prefix: 'org.freedesktop.background',
   namespace: 'XdpDbusBackground',
   docbook: 'portal',
-  autocleanup: 'all',
 )
 if have_geoclue
   geoclue_built_sources = gnome.gdbus_codegen(
     'geoclue-dbus',
     sources: 'org.freedesktop.GeoClue2.Client.xml',
     interface_prefix: 'org.freedesktop.GeoClue2',
     namespace: 'Geoclue',
-    autocleanup: 'none',
   )
 else
   geoclue_built_sources = []