Merge pull request #13171 from izeye:set-key-value

* pr/13171:
  Remove @Deprecated on CouchbaseProperties.Endpoints.setKeyValue()

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/couchbase/CouchbaseProperties.java

@@ -142,7 +142,6 @@ public class CouchbaseProperties {
 			return this.keyValue;
 		}
 
-		@Deprecated
 		public void setKeyValue(int keyValue) {
 			this.keyValue = keyValue;
 		}