clean up

Author: hauner

openapi-parser/src/main/java/io/openapiparser/Keywords.java

@@ -52,7 +52,6 @@ public interface Keywords {
  String INFO = "info";
  String ITEM_ENCODING = "itemEncoding";
  String ITEM_SCHEMA = "itemSchema";
- String ITEM_ENCODING = "itemEncoding";
  String ITEMS = "items";
  String JSON_SCHEMA_DIALECT = "jsonSchemaDialect";
  String KIND = "kind";