[BUG: #266] Kconfig: disable web interface in the default config

Change the default value also in Kconfig

Signed-off-by: Adam Wujek <dev_public@wujek.eu>

Kconfig

@@ -1354,7 +1354,7 @@ config READ_SFP_DIAG_ENABLE
 
 config HTTPD_DISABLE
 	bool "Disable web interface"
-	default n
+	default y
 	help
 	  Disable web interface.