polish: remove @volatile annotation where not needed anymore.

This changeset removes the volatile annotation from two result classes
which are not volatile anymore as well as the kvDurableTimeout which
is now considered stable.

Change-Id: I8c055396a2b7e51fe7b82b754d068af4e36a06be
Reviewed-on: https://review.couchbase.org/c/couchbase-jvm-clients/+/181577
Tested-by: Build Bot <[email protected]>
Reviewed-by: Graham Pople <[email protected]>

Author: daschl

core-io/src/main/java/com/couchbase/client/core/env/TimeoutConfig.java

@@ -125,7 +125,6 @@ public Duration kvTimeout() {
     return kvTimeout;
   }
 
-  @Stability.Volatile
   public Duration kvDurableTimeout() {
     return kvDurableTimeout;
   }

java-client/src/main/java/com/couchbase/client/java/analytics/AnalyticsResult.java

@@ -16,7 +16,6 @@
 
 package com.couchbase.client.java.analytics;
 
-import com.couchbase.client.core.annotation.Stability;
 import com.couchbase.client.core.error.DecodingFailureException;
 import com.couchbase.client.core.msg.analytics.AnalyticsChunkHeader;
 import com.couchbase.client.core.msg.analytics.AnalyticsChunkRow;
@@ -33,7 +32,6 @@
  *
  * @since 3.0.0
  */
-@Stability.Volatile
 public class AnalyticsResult {
 
   /**

java-client/src/main/java/com/couchbase/client/java/query/ReactiveQueryResult.java

@@ -30,7 +30,6 @@
  *
  * @since 3.0.0
  */
-@Stability.Volatile
 public class ReactiveQueryResult {
 
 	private final QueryResponse response;