[gxml] Attribute: interface removed

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit cc7c664ad2a558dc18433400afee84060f73fd78
Author: Daniel Espinosa <esodan gmail com>
Date:   Thu Jul 4 13:41:23 2019 -0500

    Attribute: interface removed

 gxml/Attribute.vala      |  38 -------------
 gxml/GXmlAttribute.vala  |   2 +-
 gxml/meson.build         |   1 -
 test/GAttributeTest.vala | 135 -----------------------------------------------
 test/GXmlTest.vala       |   1 -
 test/meson.build         |   1 -
 6 files changed, 1 insertion(+), 177 deletions(-)
---
diff --git a/gxml/GXmlAttribute.vala b/gxml/GXmlAttribute.vala
index 29d955e..25cc279 100644
--- a/gxml/GXmlAttribute.vala
+++ b/gxml/GXmlAttribute.vala
@@ -24,7 +24,7 @@ using Gee;
 /**
  * Class implemeting {@link GXml.DomAttr} interface, not tied to libxml-2.0 library.
  */
-public class GXml.GAttribute : GXml.GNode, GXml.Attribute, GXml.DomAttr
+public class GXml.GAttribute : GXml.GNode, GXml.DomAttr
 {
   private Xml.Attr* _attr;
   public GAttribute (GDocument doc, Xml.Attr *node)
diff --git a/gxml/meson.build b/gxml/meson.build
index da476f3..63a1aaf 100644
--- a/gxml/meson.build
+++ b/gxml/meson.build
@@ -38,7 +38,6 @@ configure_file(output : 'config.h',
 valasources = files ([
        'Collections.vala',
        'CssSelectorParser.vala',
-       'Attribute.vala',
        'CDATA.vala',
        'Document.vala',
        'DocumentType.vala',
diff --git a/test/GXmlTest.vala b/test/GXmlTest.vala
index 1ec4963..fdb22a1 100644
--- a/test/GXmlTest.vala
+++ b/test/GXmlTest.vala
@@ -59,7 +59,6 @@ class GXmlTest {
 #endif
                ValaLibxml2Test.add_tests ();
                GElementTest.add_tests ();
-               GAttributeTest.add_tests ();
                GHtmlDocumentTest.add_tests ();
                DomGDocumentTest.add_tests ();
                XPathTest.add_tests ();
diff --git a/test/meson.build b/test/meson.build
index 7a3b6cc..142e666 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -9,7 +9,6 @@ files_tests = files ([
                'NodeListTest.vala',
                'ValaLibxml2Test.vala',
                'GElementTest.vala',
-               'GAttributeTest.vala',
                'GHtmlDocumentTest.vala',
                'DomGDocumentTest.vala',
                'XPathTest.vala',