Removing the code which has been deprecated sin...

Removing the code which has been deprecated since 2.8.0. Contributed by
Simon Ochsenreither, although deleting code is such fun one hesitates to
call it a contribution. Still, we will. Closes SI-4860, no review.

Author: paulp

src/library/scala/xml/HasKeyValue.scala

@@ -49,14 +49,6 @@ object XML extends XMLLoader[Elem]
   def withSAXParser(p: SAXParser): XMLLoader[Elem] =
     new XMLLoader[Elem] { override val parser: SAXParser = p }
 
-  @deprecated("Use save() instead", "2.8.0")
-  final def saveFull(filename: String, node: Node, xmlDecl: Boolean, doctype: dtd.DocType): Unit =
-    save(filename, node, encoding, xmlDecl, doctype)
-
-  @deprecated("Use save() instead", "2.8.0")
-  final def saveFull(filename: String, node: Node, enc: String, xmlDecl: Boolean, doctype: dtd.DocType): Unit =
-    save(filename, node, enc, xmlDecl, doctype)
-
   /** Saves a node to a file with given filename using given encoding
    *  optionally with xmldecl and doctype declaration.
    *

src/library/scala/xml/XML.scala

@@ -1,14 +1,11 @@
 object Test {
-  import scala.xml.{Node,HasKeyValue}
-
-  def domatch(x:Node): Node = {
-    val hasBar = new HasKeyValue("bar")
+  import scala.xml.{Node,UnprefixedAttribute}
 
+  def domatch(x:Node) =
     x match {
-      case Node("foo", hasBar(z), _*) => z
+      case Node("foo", UnprefixedAttribute("bar", z, _), _*) => z
       case _ => null
     }
-  }
 
   def main(args: Array[String]): Unit = {
     println(domatch(<foo bar="baz"><hi/></foo>))

test/files/jvm/backendBugUnapply.scala

@@ -9,17 +9,16 @@ object Test {
 
   object MetaDataTest {
 
-    import scala.xml.{ HasKeyValue, TopScope, NamespaceBinding, Node, Atom, Text }
+    import scala.xml.{ TopScope, NamespaceBinding, Node, Atom, Text }
 
     def domatch(x:Node): Node = {
-      val hasBar = new HasKeyValue("bar")
       x match {
-        //case Node("foo", hasBar(z), _*) => z
-            case Node("foo", md, _*) if !hasBar.unapplySeq(md).isEmpty =>
+            case Node("foo", md @ UnprefixedAttribute(_, value, _), _*) if !value.isEmpty =>
                  md("bar")(0)
             case _ => new Atom(3)
       }
     }
+
     def run() {
 
       var x: MetaData         = Null