message: doc(deprecated) Update the `call` example.
diff: use wasmer_runtime_deprecated as wasmer_runtime;
  -use crate::wasmer_runtime::{compile, /*error, error::RuntimeError,*/ imports, Ctx, Func, Value,};
  -
  -use wabt::wat2wasm;
  +use crate::wasmer_runtime::{
  + compile, /*error, error::RuntimeError,*/ imports, wat2wasm, Ctx, Func, Value,
  +};
  static WAT: &'static str = r#"
  @@ -20,11 +20,10 @@ static WAT: &'static str = r#"
  "#;
  fn get_wasm() -> Vec<u8> {
  - wat2wasm(WAT).unwrap()
  + wat2wasm(WAT.as_bytes()).unwrap().to_vec()
  }
  fn sum(ctx: &mut Ctx, x: i32, y: i32) -> i32 {
  - dbg!(ctx as *const _);
  dbg!(ctx);
  x + y
  