Update Femtofox radio settings, remove gpiod requirement and set 1w as 22db (boosts to 30db anyway on hardware)

radio-settings.json

@@ -136,7 +136,6 @@
       "cs_id": 0,
       "cs_pin": 16,
       "gpio_chip": 1,
-      "use_gpiod_backend": true,
       "reset_pin": 25,
       "busy_pin": 22,
       "irq_pin": 23,
@@ -144,7 +143,7 @@
       "rxen_pin": 24,
       "txled_pin": -1,
       "rxled_pin": -1,
-      "tx_power": 30,
+      "tx_power": 22,
       "use_dio3_tcxo": true,
       "preamble_length": 32
     },
@@ -154,7 +153,6 @@
       "cs_id": 0,
       "cs_pin": 16,
       "gpio_chip": 1,
-      "use_gpiod_backend": true,
       "reset_pin": 25,
       "busy_pin": 22,
       "irq_pin": 23,