commit 4ac82e89 upstream.

ndlc_remove already calls st21nfcb_nci_i2c_disable and
phy->powered is already set to 0.
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>