runtime-rs: Remove dead code

`VmmPingResponse` and `NetInterworkingModel` are
never constructed, so remove them

Signed-off-by: stevenhorsman <steven@uk.ibm.com>

src/runtime-rs/crates/hypervisor/src/ch/inner_hypervisor.rs

@@ -40,7 +40,6 @@ use nix::unistd::setgid;
 use nix::unistd::setuid;
 use nix::unistd::Gid;
 use nix::unistd::Uid;
-use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use std::collections::HashMap;
 use std::convert::TryFrom;
@@ -79,14 +78,6 @@ enum CloudHypervisorLogLevel {
     Error,
 }
 
-#[derive(Clone, Deserialize, Serialize)]
-pub struct VmmPingResponse {
-    pub build_version: String,
-    pub version: String,
-    pub pid: i64,
-    pub features: Vec<String>,
-}
-
 #[derive(thiserror::Error, Debug, PartialEq)]
 pub enum GuestProtectionError {
     #[error("guest protection requested but no guest protection available")]

src/runtime-rs/crates/resource/src/network/network_pair.rs

@@ -17,9 +17,6 @@ use super::{
 
 const TAP_SUFFIX: &str = "_kata";
 
-#[derive(Default, Copy, Clone, Debug, PartialEq, Eq)]
-pub struct NetInterworkingModel(u32);
-
 #[derive(Default, Debug, Clone)]
 pub struct NetworkInterface {
     pub name: String,