eldbus: eldbus is already defined in eo

the struct is already defined in eldbus_general.eoeldbus: eldbus is
already defined in eo

the struct is already defined in eldbus_general.eott

src/lib/eldbus/Eldbus.h

@@ -164,12 +164,6 @@ EAPI int eldbus_shutdown(void);
  * Callback that is called when the connection is freed.
  */
 typedef void                       (*Eldbus_Free_Cb)(void *data, const void *deadptr);
-/**
- * @typedef Eldbus_Proxy
- *
- * Represents an interface of an object path.
- */
-typedef struct _Eldbus_Proxy          Eldbus_Proxy;
 /**
  * @typedef Eldbus_Message
  *