[gxml] ProcessingInstruction: interface removed

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 2939e386956995f1ee6ca9dca2ce30610fd18fd5
Author: Daniel Espinosa <esodan gmail com>
Date:   Thu Jul 4 13:37:28 2019 -0500

    ProcessingInstruction: interface removed

 gxml/GXmlNode.vala                  |  4 ++--
 gxml/GXmlProcessingInstruction.vala |  1 -
 gxml/ProcessingInstruction.vala     | 39 -------------------------------------
 gxml/meson.build                    |  1 -
 4 files changed, 2 insertions(+), 43 deletions(-)
---
diff --git a/gxml/GXmlNode.vala b/gxml/GXmlNode.vala
index 565403a..3f3c437 100644
--- a/gxml/GXmlNode.vala
+++ b/gxml/GXmlNode.vala
@@ -198,7 +198,7 @@ public abstract class GXml.GNode : Object,
          owned get {
            string t = null;
            if (this is GXml.DomText) return (this as DomText).data;
-           if (this is GXml.ProcessingInstruction) return this.@value;
+           if (this is GXml.DomProcessingInstruction) return this.@value;
            if (this is GXml.Comment) return this.@value;
            if (this is GXml.Document || this is GXml.Element) {
              message ("Is Element");
@@ -216,7 +216,7 @@ public abstract class GXml.GNode : Object,
         var t = this.document.create_text (value);
         this.document.children_nodes.add (t);
       }
-      if (!(this is GXml.DomText || this is GXml.Comment || this is GXml.ProcessingInstruction)) return;
+      if (!(this is GXml.DomText || this is GXml.Comment || this is GXml.DomProcessingInstruction)) return;
       this.@value = value;
          }
        }
diff --git a/gxml/GXmlProcessingInstruction.vala b/gxml/GXmlProcessingInstruction.vala
index 6d7bdd7..643ee4b 100644
--- a/gxml/GXmlProcessingInstruction.vala
+++ b/gxml/GXmlProcessingInstruction.vala
@@ -26,7 +26,6 @@ using Gee;
  * {@link DomProcessingInstruction} interface, powered by libxml2 library.
  */
 public class GXml.GProcessingInstruction : GXml.GCharacterData,
-              GXml.ProcessingInstruction,
               GXml.DomProcessingInstruction
 {
   public GProcessingInstruction (GDocument doc, Xml.Node *node)
diff --git a/gxml/meson.build b/gxml/meson.build
index 5fd5c10..6a47308 100644
--- a/gxml/meson.build
+++ b/gxml/meson.build
@@ -95,7 +95,6 @@ valasources = files ([
        'NodeType.vala',
        'Notation.vala',
        'Parser.vala',
-       'ProcessingInstruction.vala',
        'Schema.vala',
        'XParser.vala',
        'XPath.vala'