Remove use of deprecated Exceptions

DocumentedException and DeserializerException are deprecated and were
only used by deprecated interfaces which we no longer use. Stop using
them.

Change-Id: I899beb6d08be2c4a0b17ecbe6e1ca2be334e12a9
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "Remove use of deprecated Exceptions"