fix(transport): Remove with_rustls for tls config (#188)

examples/src/tls/client.rs

@@ -10,7 +10,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let pem = tokio::fs::read("tonic-examples/data/tls/ca.pem").await?;
     let ca = Certificate::from_pem(pem);
 
-    let tls = ClientTlsConfig::with_rustls()
+    let tls = ClientTlsConfig::new()
         .ca_certificate(ca)
         .domain_name("example.com");
 

examples/src/tls/server.rs

@@ -60,7 +60,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let server = EchoServer::default();
 
     Server::builder()
-        .tls_config(ServerTlsConfig::with_rustls().identity(identity))
+        .tls_config(ServerTlsConfig::new().identity(identity))
         .add_service(pb::echo_server::EchoServer::new(server))
         .serve(addr)
         .await?;