Bluetooth: audio: Fix PACS location chrc properties
Bluetooth: audio: Fix PACS location chrc properties

If the characteristic is non-writtable, the BT_GATT_CHRC_WRITE property
flag shall be unset. Moreover, threre is no point to set
BT_GATT_PERM_WRITE_ENCRYPT permission flag as well if the attribute has
no `write` callback set anyway.

Signed-off-by: Mariusz Skamra <c73850bd0bf85e95dce44c2ce1418ca55c1b6c5d@codecoup.pl>

finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr