review of IGNITE-5823 Need to remove CacheAtomicUpdateTimeoutException

[Серега Дорожкин]

Hi igniters,

Can someone please help me with review and merge PR:
https://github.com/apache/ignite/pull/2364/

Jira:
https://issues.apache.org/jira/browse/IGNITE-5823

Thank you, guys!

-- 
*Best regards, Sergey.*