Bluetooth: Shell: Remove ad_mode_parse
Bluetooth: Shell: Remove ad_mode_parse

The function did not provide anything that could
not just as easily have been done in the existing
loops.

This just required moving the call to ad_init to
after the param parsing loop.

Signed-off-by: Emil Gydesen <a20314356615223738233ab4c4eb1cd8cd4146fa@nordicsemi.no>

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