[rygel] Revert "build: Bump required glib version"

[Jens Georg <jensgeorg src gnome org>]

commit 4d00ee3e6e86cca5780f12a442b6c15654e485ad
Author: Jens Georg <mail jensge org>
Date:   Sun Aug 2 09:52:47 2020 +0200

    Revert "build: Bump required glib version"
    
    This reverts commit fdd7c235e5c06e2a2ca14f3bee4437867ef1d365.

 meson.build                       | 2 +-
 tests/rygel-meta-config-test.vala | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 2e6222bc..15d31c19 100644
--- a/meson.build
+++ b/meson.build
@@ -71,7 +71,7 @@ endif
 valadoc = find_program('valadoc', required : false)
 gtkdoc = dependency('gtk-doc', required : false)
 
-glib_minimal_version = '>= 2.62'
+glib_minimal_version = '>= 2.56'
 
 gupnp = dependency('gupnp-1.2', version : '>= 1.1')
 gee = dependency('gee-0.8', version: '>= 0.8.0')
diff --git a/tests/rygel-meta-config-test.vala b/tests/rygel-meta-config-test.vala
index 0c2d94ec..ac9cc216 100644
--- a/tests/rygel-meta-config-test.vala
+++ b/tests/rygel-meta-config-test.vala
@@ -20,7 +20,6 @@ class TestConfig : Rygel.BaseConfiguration {
 void
 test_meta_config_single_instance ()
 {
-    Test.summary ("Test whether we actually get only one instance");
     var instance_a = Rygel.MetaConfig.get_default ();
     var instance_b = Rygel.MetaConfig.get_default ();