Remove cleaning obsolete 2ND_ART_NATIVETEST_DIR and 2ND_ART_TEST_DIR directories
Remove cleaning obsolete 2ND_ART_NATIVETEST_DIR and 2ND_ART_TEST_DIR directories

Change-Id: Iba1735bc7762fbd6610191f75c13979e831851d6

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst