[ARDUINO] Fixed heap corruption and build issues

[ARDUINO] Fixed heap corruption and build issues

1) Fixed heap corruption in le adapter
2) Fixed build issues on enabling OIC_LOG_V
3) Deleting unnecessary files added by IPV6 merge

Change-Id: Ia7cc7782771f2e76c1a7927a376f866ade0f927d
Signed-off-by: Abhishek Sharma <ce.abhishek@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/1760
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Joseph Morrow <joseph.l.morrow@intel.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>