libion: rm ion-close in CMEM-alloc [1/1]

PD#SWPL-11609

Problem:
ion device will be closed unexpected while cma mem not enough

Solution:
rm ion-close in CMEM-alloc

Verify:
verified on ac200

Change-Id: Ibec2c05dc8c4c04c2d84fbf028c29e884a62c5d0
Signed-off-by: Dezhi Kong <dezhi.kong@amlogic.com>
1 file changed