IoT-1842: Fix OCRepresentation issues on VS2013.

IoT-1842: Fix OCRepresentation issues on VS2013.

https://jira.iotivity.org/browse/IOT-1842

Removed the not working shallow copy of the OCRepresentation object.
No problem is observed.

Deep copy should also fix the problem if any issue is found in the
future.

Change-Id: Ifc4aba57a591d0cb6a55e65e1a179e2c8a9ebc08
Signed-off-by: Soemin Tjong <stjong@microsoft.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19553
Reviewed-by: Dave Thaler <dthaler@microsoft.com>
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-by: Alex Kelley <alexke@microsoft.com>
Reviewed-by: JungYong KIM <jyong2.kim@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>