refactor(deno_webgpu): remove unused allow(dead_code) on GPUError::Internal

Author: ErichDonGubler

deno_webgpu/error.rs

@@ -166,7 +166,6 @@ pub enum GPUError {
     Validation(String),
     #[class("GPUOutOfMemoryError")]
     OutOfMemory,
-    #[allow(dead_code)]
     #[class("GPUInternalError")]
     Internal,
 }