Remove HAL initialization from #[embassy::main] macro.

tests/rp/src/bin/gpio.rs

@@ -5,11 +5,11 @@
 use defmt::{assert, *};
 use embassy_executor::executor::Spawner;
 use embassy_rp::gpio::{Flex, Input, Level, Output, OutputOpenDrain, Pull};
-use embassy_rp::Peripherals;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
     info!("Hello World!");
 
     let (mut a, mut b) = (p.PIN_0, p.PIN_1);