KAFKA-18270: SaslHandshake v0 incorrectly tagged as deprecated (#18221)

It's now consistent with KIP-896.

Reviewers: David Arthur <[email protected]>

Author: ijuma

clients/src/main/resources/common/message/SaslHandshakeRequest.json

@@ -23,7 +23,6 @@
   // client negotiation for clients <= 2.4.
   // See https://issues.apache.org/jira/browse/KAFKA-9577
   "validVersions": "0-1",
-  "deprecatedVersions": "0",
   "flexibleVersions": "none",
   "fields": [
     { "name": "Mechanism", "type": "string", "versions": "0+",