Remove unused method in tcp_client and fix unknown doc issue

Author: jhodapp

esp32-wroom-rp/src/tcp_client.rs

@@ -170,17 +170,11 @@ where
         self.mode
     }
 
-    // TODO: Make this non-public
-    /// Requests a Socket
+    /// Request current `Socket` handle.
     pub fn get_socket(&mut self) -> Result<Socket, Error> {
         self.protocol_handler.get_socket()
     }
 
-    /// Returns [`Socket`] reference set by calling [`TcpClient::get_socket`]
-    fn socket(&self) -> Socket {
-        self.socket.unwrap()
-    }
-
     /// Send a string slice of data to a connected server.
     pub fn send_data(&mut self, data: &str) -> Result<[u8; ARRAY_LENGTH_PLACEHOLDER], Error> {
         self.protocol_handler

esp32-wroom-rp/src/wifi.rs

@@ -196,7 +196,7 @@ where
             .set_dns_config(dns1, dns2)
     }
 
-    /// Query the DNS server(s) provided via [`set_dns`] for the associated IP address to the provided hostname.
+    /// Query the DNS server(s) provided via `set_dns` for the associated IP address to the provided hostname.
     pub fn resolve(&mut self, hostname: &str) -> Result<IpAddress, Error> {
         self.protocol_handler.borrow_mut().resolve(hostname)
     }