arm/dts: remove AoV model.bin

arm/dts: remove AoV model.bin

kane supports Google Hotwords only which gets its model from
Google server directly and doesn't use combined model saved
in local with other Moto Voice models.

Change-Id: Ia52e0f8768bbabddc394b79670252bd5d6f6ed7f
Signed-off-by: Yoon (Seungyoon) Lee <w22905@motorola.com>
Reviewed-on: https://gerrit.mot.com/1283367
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Zhengming Yao <yaozm1@mt.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key