Bluetooth: Controller: Keep the default AD Data length to 31 octets

Keep the default AD Data length to Bluetooth Specification
defined minimum of 31 octets.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/Kconfig

@@ -462,7 +462,6 @@ config BT_CTLR_ADV_SET
 config BT_CTLR_ADV_DATA_LEN_MAX
 	int "Maximum Advertising Data Length"
 	range 31 1650
-	default 251
 	help
 	  Maximum Extended Advertising Data Length.