[IOT-1704]Apply new api OCDoRequest() to samples.

[IOT-1704]Apply new api OCDoRequest() to samples.

Apply new api OCDoRequest() to samples.
And remove deprecated api OCDoResource().
related with below commit
[IOT-1704]Deprecate OCDoResource and add OCDoRequest
https://gerrit.iotivity.org/gerrit/#/c/16725/

Change-Id: I762b4e4c00caa1d52b471e46f2a0e7299402a7f7
Signed-off-by: bg.chun <bg.chun@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16183
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dave Thaler <dthaler@microsoft.com>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>