[Bluetooth] destroyBonding API : remove device from known_devices array
[Bluetooth] destroyBonding API : remove device from known_devices array

When remote device is unpaired, known_devices array has to be removed as well
and not just isBonded device property.

Add also an error case to directly returns an error if device to unpair is not in
known_devices array.

crosswalk-project/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,crosswalk-project/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,crosswalk-project/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,crosswalk-project/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,crosswalk-project/tizen-extensions-crosswalk,pk-sam/tizen-extensions-crosswalk,hgl888/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,paritosh-in/tizen-extensions-crosswalk,crosswalk-project/tizen-extensions-crosswalk