yoda: cargo fix --lib across all crates — drop ~115 trivial warnings

Auto-applied suggestions (unused imports, _-prefixed unused params,
redundant mutability) on iced_core, iced_widget, iced_runtime, iced_winit,
iced_wgpu, iced_graphics, iced_tiny_skia. From 170 warnings down to 55.

Leyoda 2026 – GPLv3

winit/src/lib.rs

@@ -53,7 +53,6 @@ mod window;
 pub use clipboard::Clipboard;
 pub use error::Error;
 pub use proxy::Proxy;
-use winit::dpi::LogicalSize;
 use winit::dpi::PhysicalPosition;
 use winit::dpi::PhysicalSize;
 
@@ -322,9 +321,9 @@ where
             // create initial window
             let Some(BootConfig {
                 sender,
-                fonts,
-                graphics_settings,
-                is_wayland,
+                fonts: _,
+                graphics_settings: _,
+                is_wayland: _,
             }) = self.boot.take()
             else {
                 return;
@@ -636,10 +635,7 @@ where
     #[cfg(feature = "a11y")]
     fn init_adapter(&mut self, event_loop: &(dyn winit::event_loop::ActiveEventLoop + 'static), id: core::window::Id, window: Arc<dyn winit::window::Window + 'static>) {
             use crate::a11y::*;
-            use iced_accessibility::accesskit::{
-                ActivationHandler, Node, NodeId, Role,
-                Tree, TreeUpdate,
-            };
+            
             use iced_accessibility::accesskit_winit::Adapter;
         
             let node_id =