fix schema test compile error

Author: lukedan

test/unittest/schematest.cpp

@@ -2038,9 +2038,6 @@ TEST(SchemaValidator, Ref_remote_issue1210) {
     class SchemaDocumentProvider : public IRemoteSchemaDocumentProvider {
         SchemaDocument** collection;
 
-        SchemaDocumentProvider(const SchemaDocumentProvider&);
-        SchemaDocumentProvider& operator=(const SchemaDocumentProvider&);
-
         public:
           SchemaDocumentProvider(SchemaDocument** collection) : collection(collection) { }
           virtual const SchemaDocument* GetRemoteDocument(const char* uri, SizeType length) {