Remove test that requires specific DB character set

Author: cjbj

test/list.txt

@@ -686,6 +686,3 @@ Overview of node-oracledb functional tests
     66.2 allows overwriting of public methods on connection instances
     66.3 allows overwriting of public methods on resultset instances
     66.4 allows overwriting of public methods on lob instances
-
-67. utf8MultibyteCharacter.js
-    67.1 works with UTF-8 multibyte characters