Refactor server configuration and update certificate handling

- Changed the NotifyUrl in PostMeasureTaskToNF to use a hardcoded port (33030).
- Updated GetEMSState to retrieve the port from the server configuration instead of the YAML config.
- Removed deprecated RestParam struct and related code from YamlConfig.
- Deleted old certificate files (omc-server.crt, omc-server.key, omc-web.crt, omc-web.key).
- Added new certificate files (www.omc.net.crt, www.omc.net.key) for updated server configuration.
- Modified local/omc.yaml to reflect changes in server configuration and certificate paths.
- Updated main.go to load server configuration instead of rest configuration, ensuring proper handling of multiple HTTP services.

local/certs/www.omc.net.crt

@@ -0,0 +1,33 @@
+-----BEGIN CERTIFICATE-----
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++Qv3f5EhOiZfu5jcjdxb
+-----END CERTIFICATE-----