Updated docs removing SNI warnings

Author: caiohamamura

app/mbedtls/app/espconn_secure.c

@@ -184,7 +184,6 @@ sint8 espconn_secure_send(struct espconn *espconn, uint8 *psent, uint16 length)
 bool ICACHE_FLASH_ATTR 
 espconn_secure_set_hostname(const char* hostname)
 {
-	printf("Setting SNI hostname: %s\n", hostname ? hostname : "NULL");
 
     if (ssl_client_options.hostname) {
         os_free(ssl_client_options.hostname);
@@ -195,7 +194,6 @@ espconn_secure_set_hostname(const char* hostname)
         ssl_client_options.hostname = (char*)os_malloc(strlen(hostname) + 1);
         if (ssl_client_options.hostname) {
             strcpy(ssl_client_options.hostname, hostname);
-			printf("SNI hostname set successfully: %s\n", ssl_client_options.hostname);
             return true;
         }
         return false;

app/modules/tls.c

@@ -204,7 +204,6 @@ static int tls_socket_connect( lua_State *L ) {
   ud->pesp_conn.state = ESPCONN_NONE;
   ud->pesp_conn.proto.tcp->remote_port = port;
 
-  espconn_secure_set_hostname(domain);
   espconn_regist_connectcb(&ud->pesp_conn, (espconn_connect_callback)tls_socket_onconnect);
   espconn_regist_disconcb(&ud->pesp_conn, (espconn_connect_callback)tls_socket_ondisconnect);
   espconn_regist_reconcb(&ud->pesp_conn, (espconn_reconnect_callback)tls_socket_onreconnect);

docs/modules/tls.md

@@ -41,16 +41,6 @@ most common features supported.  Specifically, it provides:
 	[socat](http://www.dest-unreach.org/socat/) program is one possible
 	mechanism of achieving such a "bent pipe" with TLS on both halves.
 
-!!! warning
-
-	The TLS glue provided by Espressif provides no interface to TLS SNI.
-	As such, NodeMCU TLS should not be expected to function with endpoints
-	requiring the use of SNI, which is a growing fraction of the Internet
-	and includes, for example, Cloudflare sites using their "universal SSL"
-	service and other, similar "virtual" TLS servers.  TLS servers to which
-	you wish NodeMCU to connect should have their own, dedicated IP/port
-	pair.
-
 !!! warning
 
 	The TLS handshake is very heap intensive, requiring between 25 and 30