Combine ModuleInit and GetModuleObject

The two functions can be combined into one as both are called only
once. This removes the need for the explicit ModuleInit function.

server/modules/authenticator/GSSAPI/GSSAPIAuth/gssapi_auth.c

@@ -620,13 +620,6 @@ MODULE_INFO info =
     "V1.0.0"
 };
 
-/**
- * Module initialization entry point
- */
-void ModuleInit()
-{
-}
-
 /**
  * Module handle entry point
  */