[libSyntax] Handle deferred node data in SyntaxParseActions

By now ParsedRawSyntaxNode does not have any knowledge about deferred
node data anymore, which frees up SyntaxParseActions (and, in
particular its sublass SyntaxTreeCreator) to perform optimisations to
more efficiently create and record deferred nodes.

tools/libSwiftSyntaxParser/libSwiftSyntaxParser.cpp

@@ -176,9 +176,9 @@ private:
     return getNodeHandler()(&node);
   }
 
-  OpaqueSyntaxNode recordRawSyntax(SyntaxKind kind,
-                                   ArrayRef<OpaqueSyntaxNode> elements,
-                                   CharSourceRange range) override {
+  OpaqueSyntaxNode
+  recordRawSyntax(SyntaxKind kind,
+                  ArrayRef<OpaqueSyntaxNode> elements) override {
     CRawSyntaxNode node;
     auto numValue = serialization::getNumericValue(kind);
     node.kind = numValue;