Revert "Missing initialization for the catalog module"

This reverts commit 054c716ea1bf001544127a4ab4f4346d1b9947e7.
As this break xmlcatalog command
https://bugzilla.redhat.com/show_bug.cgi?id=1153753
diff --git a/parser.c b/parser.c
index 1d93967..67c9dfd 100644
--- a/parser.c
+++ b/parser.c
@@ -14830,9 +14830,6 @@
 #ifdef LIBXML_XPATH_ENABLED
 	xmlXPathInit();
 #endif
-#ifdef LIBXML_CATALOG_ENABLED
-        xmlInitializeCatalog();
-#endif
 	xmlParserInitialized = 1;
 #ifdef LIBXML_THREAD_ENABLED
     }