remove ibm watsonx transport version constant

Author: Evgenii-Kazannik

server/src/main/java/org/elasticsearch/TransportVersions.java

@@ -210,7 +210,6 @@ static TransportVersion def(int id) {
     public static final TransportVersion ML_INFERENCE_COHERE_API_VERSION_8_19 = def(8_841_0_60);
     public static final TransportVersion ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED_8_19 = def(8_841_0_61);
     public static final TransportVersion ESQL_PROFILE_INCLUDE_PLAN_8_19 = def(8_841_0_62);
-    public static final TransportVersion ML_INFERENCE_IBM_WATSONX_COMPLETION_ADDED_8_19 = def(8_841_0_63);
     public static final TransportVersion V_9_0_0 = def(9_000_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_1 = def(9_000_0_10);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_2 = def(9_000_0_11);