Delete client callback for error response.

Delete client callback for error response.

After invoking application's callback from HandleCAErrorResponse(),
client callback is not removed from client callback list ('cbList').
This patch removes it.

https://github.sec.samsung.net/RS7-IOTIVITY/IoTivity/commit/2aed3ca47526d7cb49e779ce3d4bab925738ed40
(cherry-picked from 2aed3ca47526d7cb49e779ce3d4bab925738ed40)

Change-Id: I4e1732a3b47ba2879e02ad91577bb21264c764ae
Signed-off-by: Senthil Kumar G S <senthil.gs@samsung.com>
Signed-off-by: Sudipto <sudipto.bal@samsung.com>