modules: readme files regenerated - ims_charging ... [skip ci]

src/modules/ims_charging/README

@@ -564,7 +564,7 @@ modparam("ims_charging", "origin_realm", "kamailio-ims.org")
 
    Destination host to be used in Diameter messages to charging-server.
 
-   Default value is "hss.ims.smilecoms.com".
+   Default value is "".
 
    Example 1.15. destination_hostparameter usage
 ...