refactor(hal): remove unneeded trivial_casts suppr.

wgpu-hal/src/dx12/adapter.rs

@@ -47,7 +47,6 @@ impl super::Adapter {
         &self.raw
     }
 
-    #[allow(trivial_casts)]
     pub(super) fn expose(
         adapter: d3d12::DxgiAdapter,
         library: &Arc<d3d12::D3D12Lib>,
@@ -554,7 +553,6 @@ impl crate::Adapter for super::Adapter {
         })
     }
 
-    #[allow(trivial_casts)]
     unsafe fn texture_format_capabilities(
         &self,
         format: wgt::TextureFormat,

wgpu-hal/src/dx12/instance.rs

@@ -75,7 +75,6 @@ impl crate::Instance for super::Instance {
         };
 
         let mut supports_allow_tearing = false;
-        #[allow(trivial_casts)]
         if let Some(factory5) = factory.as_factory5() {
             let mut allow_tearing: minwindef::BOOL = minwindef::FALSE;
             let hr = unsafe {

wgpu-hal/src/gles/egl.rs

@@ -1241,7 +1241,6 @@ impl crate::Surface for Surface {
             None => {
                 let mut wl_window = None;
                 let (mut temp_xlib_handle, mut temp_xcb_handle);
-                #[allow(trivial_casts)]
                 let native_window_ptr = match (self.wsi.kind, self.raw_window_handle) {
                     (WindowKind::Unknown | WindowKind::X11, Rwh::Xlib(handle)) => {
                         temp_xlib_handle = handle.window;

wgpu-hal/src/vulkan/adapter.rs

@@ -1099,7 +1099,6 @@ impl PhysicalDeviceProperties {
 }
 
 impl super::InstanceShared {
-    #[allow(trivial_casts)] // false positives
     fn inspect(
         &self,
         phd: vk::PhysicalDevice,