hotfix: disable oocrypto until we investigate ciphers selection (#784)

See https://github.com/ooni/probe/issues/2122 for context.

internal/netxlite/tls.go

@@ -13,7 +13,6 @@ import (
 	"net"
 	"time"
 
-	ootls "github.com/ooni/oocrypto/tls"
 	oohttp "github.com/ooni/oohttp"
 	"github.com/ooni/probe-cli/v3/internal/model"
 	"github.com/ooni/probe-cli/v3/internal/runtimex"
@@ -206,7 +205,14 @@ func (h *tlsHandshakerConfigurable) newConn(conn net.Conn, config *tls.Config) (
 	if h.NewConn != nil {
 		return h.NewConn(conn, config)
 	}
-	return ootls.NewClientConnStdlib(conn, config)
+	// This used to be the place where we created a TLSConn using
+	// github.com/ooni/oocrypto's TLS. However, it seems this strategy
+	// does not correctly pick up the CPU capabilities. So, we have
+	// now disabled oocrypto until we investigate, to avoid making the
+	// development branch worse than it could in terms of TLS fingerprint.
+	//
+	// TODO(https://github.com/ooni/probe/issues/2122)
+	return tls.Client(conn, config), nil
 }
 
 // defaultTLSHandshaker is the default TLS handshaker.