sp-wasm-interface: remove useless wasmi impl

primitives/wasm-interface/Cargo.toml

@@ -17,12 +17,11 @@ targets = ["x86_64-unknown-linux-gnu"]
 codec = { package = "parity-scale-codec", version = "3.2.2", default-features = false, features = ["derive"] }
 impl-trait-for-tuples = "0.2.2"
 log = { version = "0.4.17", optional = true }
-wasmi = { version = "0.13.2", optional = true }
 wasmtime = { version = "8.0.1", default-features = false, optional = true }
 anyhow = { version = "1.0.68", optional = true }
 sp-std = { version = "5.0.0", default-features = false, path = "../std" }
 
 [features]
-default = [ "std" ]
-std = [ "codec/std", "log", "sp-std/std", "wasmi", "wasmtime" ]
-wasmtime = [ "dep:wasmtime", "anyhow" ]
+default = ["std"]
+std = ["codec/std", "log", "sp-std/std", "wasmtime"]
+wasmtime = ["dep:wasmtime", "anyhow"]

primitives/wasm-interface/src/lib.rs

@@ -21,9 +21,6 @@
 
 use sp_std::{borrow::Cow, iter::Iterator, marker::PhantomData, mem, result, vec, vec::Vec};
 
-#[cfg(feature = "wasmi")]
-mod wasmi_impl;
-
 #[cfg(not(all(feature = "std", feature = "wasmtime")))]
 #[macro_export]
 macro_rules! if_wasmtime_is_enabled {