Bug 1960: Revert "BUG-1956: bump java-concurrent-hash-trie-map version 0.2.23"

After bumping version to 0.2.23, it seems TrieMap have problem with large
datasets. During stress testing structures from other instance of TrieMap
started leaking to other map. 

This reverts commit ef4042ba45dcdf9882781931a03f93610c03557c.

Change-Id: If6c29da670de32b4fe061218b6ec842f118a4f44
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>
Merge "Bug 1960: Revert "BUG-1956: bump java-concurrent-hash-trie-map version 0.2.23"" into stable/helium