Remove native call (#12201)

* Remove native call

With the recent introduction of staging runtime apis the native call wasn't supported anymore. This
removes the entire support for this as it is not used anymore.

* FMT

* Fix benchmarks

* FIX ui tests

substrate/primitives/core/src/traits.rs

@@ -20,7 +20,6 @@
 use std::{
 	borrow::Cow,
 	fmt::{Debug, Display},
-	panic::UnwindSafe,
 };
 
 pub use sp_externalities::{Externalities, ExternalitiesExt};
@@ -32,18 +31,14 @@ pub trait CodeExecutor: Sized + Send + Sync + ReadRuntimeVersion + Clone + 'stat
 
 	/// Call a given method in the runtime. Returns a tuple of the result (either the output data
 	/// or an execution error) together with a `bool`, which is true if native execution was used.
-	fn call<
-		R: codec::Codec + PartialEq,
-		NC: FnOnce() -> Result<R, Box<dyn std::error::Error + Send + Sync>> + UnwindSafe,
-	>(
+	fn call(
 		&self,
 		ext: &mut dyn Externalities,
 		runtime_code: &RuntimeCode,
 		method: &str,
 		data: &[u8],
 		use_native: bool,
-		native_call: Option<NC>,
-	) -> (Result<crate::NativeOrEncoded<R>, Self::Error>, bool);
+	) -> (Result<Vec<u8>, Self::Error>, bool);
 }
 
 /// Something that can fetch the runtime `:code`.