msxml3: Remove unused functions

[Andrew Talbot]

Changelog:
    msxml3: Remove unused functions.

diff -urN a/dlls/msxml3/attribute.c b/dlls/msxml3/attribute.c
--- a/dlls/msxml3/attribute.c	2006-05-23 13:48:21.000000000 +0100
+++ b/dlls/msxml3/attribute.c	2007-01-13 19:47:21.000000000 +0000
@@ -50,11 +50,6 @@
     return (domattr *)((char*)iface - FIELD_OFFSET(domattr, lpVtbl));
 }
 
-static inline xmlNodePtr get_attribute( domattr *This )
-{
-    return xmlNodePtr_from_domnode( This->node, XML_ATTRIBUTE_NODE );
-}
-
 static HRESULT WINAPI domattr_QueryInterface(
     IXMLDOMAttribute *iface,
     REFIID riid,
diff -urN a/dlls/msxml3/comment.c b/dlls/msxml3/comment.c
--- a/dlls/msxml3/comment.c	2006-05-23 13:48:21.000000000 +0100
+++ b/dlls/msxml3/comment.c	2007-01-13 19:47:37.000000000 +0000
@@ -50,11 +50,6 @@
     return (domcomment *)((char*)iface - FIELD_OFFSET(domcomment, lpVtbl));
 }
 
-static inline xmlNodePtr get_comment( domcomment *This )
-{
-    return xmlNodePtr_from_domnode( This->node, XML_COMMENT_NODE );
-}
-
 static HRESULT WINAPI domcomment_QueryInterface(
     IXMLDOMComment *iface,
     REFIID riid,
diff -urN a/dlls/msxml3/pi.c b/dlls/msxml3/pi.c
--- a/dlls/msxml3/pi.c	2006-11-17 10:55:14.000000000 +0000
+++ b/dlls/msxml3/pi.c	2007-01-13 19:48:29.000000000 +0000
@@ -50,11 +50,6 @@
     return (dom_pi *)((char*)iface - FIELD_OFFSET(dom_pi, lpVtbl));
 }
 
-static inline xmlNodePtr get_pi( dom_pi *This )
-{
-    return xmlNodePtr_from_domnode( This->node, XML_PI_NODE );
-}
-
 static HRESULT WINAPI dom_pi_QueryInterface(
     IXMLDOMProcessingInstruction *iface,
     REFIID riid,