vmm: api: Do not delete the API socket on API server creation

The socket will safely deleted on shutdown and so it is not necessary to
delete the API socket when starting the HTTP server.

Fixes: #4026

Signed-off-by: LiHui <andrewli@kubesphere.io>
Signed-off-by: Rob Bradford <robert.bradford@intel.com>

vmm/src/api/http.rs

@@ -255,7 +255,6 @@ pub fn start_http_path_thread(
     seccomp_action: &SeccompAction,
     exit_evt: EventFd,
 ) -> Result<thread::JoinHandle<Result<()>>> {
-    std::fs::remove_file(path).unwrap_or_default();
     let socket_path = PathBuf::from(path);
     let socket_fd = UnixListener::bind(socket_path).map_err(VmmError::CreateApiServerSocket)?;
     let server =