(sftp guacamole) Disable sftp support in guacamole

For the moment we have an issue we need to investigate we it takes hours
to connect when sftp is enabled.

pulse_xmpp_agent/config/guacamoleconf.ini

@@ -14,14 +14,14 @@ guacamole_dbpasswd = @@PLUGIN_GUACAMOLE_DBPASSWD@@
 # Prefix option with protocol_ to define it
 # eg. rdp_server-layout = en-us-qwerty
 # eg. vnc_read-only = true
-rdp_enable-sftp = true
+rdp_enable-sftp = false
 rdp_server-layout = fr-fr-azerty
 rdp_color-depth = 24
 rdp_resize-method = display-update
-vnc_enable-sftp = true
+vnc_enable-sftp = false
 vnc_color-depth = 24
 vnc_password = @@VNC_PASSWORD@@
-ssh_enable-sftp = true
+ssh_enable-sftp = false
 ssh_username = pulse
 ssh_server-alive-interval = 60
 ssh_keyfile = /root/.ssh/id_rsa