Remove NoPinType (#2068)

Author: bugadani

esp-hal/CHANGELOG.md

@@ -20,6 +20,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
+- Removed `NoPinType` in favour of `DummyPin`. (#2068)
+
 ## [0.20.1] - 2024-08-30
 
 ### Fixed

esp-hal/src/gpio/mod.rs

@@ -87,11 +87,8 @@ pub mod lp_io;
 #[cfg(all(rtc_io, not(esp32)))]
 pub mod rtc_io;
 
-/// Convenience type-alias for a no-pin / don't care - pin
-pub type NoPinType = Gpio0;
-
 /// Convenience constant for `Option::None` pin
-pub const NO_PIN: Option<NoPinType> = None;
+pub const NO_PIN: Option<DummyPin> = None;
 
 static USER_INTERRUPT_HANDLER: Mutex<Cell<Option<InterruptHandler>>> = Mutex::new(Cell::new(None));