[gtk/gtk-doc-ci] Remove reftests from expected-fail list

[Emmanuele Bassi <ebassi src gnome org>]

commit db5d9ccdfb580943fc38db1af019dc192b09dc2a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Jan 29 10:02:02 2020 +0100

    Remove reftests from expected-fail list
    
    With an updated version of the base CI image it seems some tests that
    were failing have started to pass again.

 testsuite/reftests/meson.build | 5 -----
 1 file changed, 5 deletions(-)
---
diff --git a/testsuite/reftests/meson.build b/testsuite/reftests/meson.build
index da7d10951e..9a9845ee1c 100644
--- a/testsuite/reftests/meson.build
+++ b/testsuite/reftests/meson.build
@@ -425,16 +425,11 @@ xfails = [
   'background-image-multiple.ui',
   'background-origin.ui',
   'border-half-pixel.ui',
-  'border-image-url.ui',
   'sizegroups-evolution-identity-page.ui',
   'textview-border-windows.ui',
   'window-show-contents-on-map.ui',
-  'toplevel-vs-popup.ui',
   # these depend on details of text layout
-  'label-background.ui',
-  'label-wrap-justify.ui',
   'label-sizing.ui',
-  'quit-mnemonic.ui',
 ]
 
 foreach testname : testdata