Update README.md

README.md

@@ -47,8 +47,7 @@ or [PR](https://github.com/1148118271/ssh-rs/pulls) .
 
 ```rust
 use ssh;
-use tracing::Level;
-use tracing_subscriber::FmtSubscriber;
+
 let mut session = ssh::create_session()
     .username("ubuntu")
     .password("password")
@@ -70,8 +69,7 @@ let mut session = ssh::create_session()
 //       -----END RSA PRIVATE KEY----- / -----END OPENSSH PRIVATE KEY-----
 // simply generated by `ssh-keygen -t rsa -m PEM -b 4096`
 use ssh;
-use tracing::Level;
-use tracing_subscriber::FmtSubscriber;
+
 let mut session = ssh::create_session()
     .username("ubuntu")
     .private_key_path("./id_rsa")
@@ -87,8 +85,7 @@ let mut session = ssh::create_session()
 // and end with
 //       -----END RSA PRIVATE KEY----- / -----END OPENSSH PRIVATE KEY-----
 use ssh;
-use tracing::Level;
-use tracing_subscriber::FmtSubscriber;
+
 let mut session = ssh::create_session()
     .username("ubuntu")
     .private_key("rsa_string")
@@ -102,8 +99,7 @@ let mut session = ssh::create_session()
 
 ```Rust
 use ssh;
-use tracing::Level;
-use tracing_subscriber::FmtSubscriber;
+
 let mut session = ssh::create_session()
     .username("username")
     .password("password")
@@ -117,9 +113,9 @@ let mut session = ssh::create_session()
 * This crate now uses the `log` compatible `tracing` for logging functionality
 
 ```rust
-use ssh;
 use tracing::Level;
 use tracing_subscriber::FmtSubscriber;
+
 // this will generate some basic event logs
 // a builder for `FmtSubscriber`.
 let subscriber = FmtSubscriber::builder()
@@ -138,10 +134,7 @@ tracing::subscriber::set_global_default(subscriber).expect("setting default subs
 
 ```rust
 use ssh;
-use tracing::Level;
-use tracing_subscriber::FmtSubscriber;
 
-ssh::debug();
 let _listener = TcpListener::bind("127.0.0.1:7777").unwrap();
 
 match ssh::create_session()
@@ -184,12 +177,8 @@ match ssh::create_session()
 * `rsa-sha2-512`
 * `rsa-sha` (behind feature "deprecated-rsa-sha1")
 
-### 3. Encryption algorithms (client to server)
 
-* `[email protected]`
-* `aes128-ctr`
-
-### 4. Encryption algorithms (server to client)
+### 3. Encryption algorithms
 
 * `[email protected]`
 * `aes128-ctr`
@@ -200,23 +189,13 @@ match ssh::create_session()
 * `aes256-cbc` (behind feature "deprecated-aes-cbc")
 * `3des-cbc` (behind feature "deprecated-des-cbc")
 
-### 5. Mac algorithms (client to server)
+### 4. Mac algorithms
 
 * `hmac-sha2-256`
 * `hmac-sha2-512`
 * `hmac-sha1`
 
-### 6. Mac algorithms (server to client)
-
-* `hmac-sha2-256`
-* `hmac-sha2-512`
-* `hmac-sha1`
-
-### 7. Compression algorithms (client to server)
-
-* `none`
-
-### 8. Compression algorithms (server to client)
+### 5. Compression algorithms
 
 * `none`