ims_diameter_server: examples - removed old project name [skip ci]

src/modules/ims_diameter_server/examples/kamailio.cfg

@@ -2,7 +2,7 @@
 #
 # Loadbalancer Config-File
 #
-# Kamailio (OpenSER) SIP Server v3.1 - default configuration script
+# Kamailio SIP Server v3.1 - default configuration script
 #     - web: http://www.kamailio.org
 #     - git: http://sip-router.org
 #