include: Remove duplicate Web Services declarations.

include/webservices.h

@@ -49,10 +49,7 @@ typedef struct _WS_ENDPOINT_ADDRESS WS_ENDPOINT_ADDRESS;
 typedef struct _WS_ENDPOINT_IDENTITY WS_ENDPOINT_IDENTITY;
 typedef struct _WS_ENUM_DESCRIPTION WS_ENUM_DESCRIPTION;
 typedef struct _WS_ENUM_VALUE WS_ENUM_VALUE;
-typedef struct _WS_OPERATION_DESCRIPTION WS_OPERATION_DESCRIPTION;
 typedef struct _WS_HTTP_POLICY_DESCRIPTION WS_HTTP_POLICY_DESCRIPTION;
-typedef struct _WS_MESSAGE_PROPERTY WS_MESSAGE_PROPERTY;
-typedef struct _WS_MESSAGE_PROPERTIES WS_MESSAGE_PROPERTIES;
 typedef struct _WS_MESSAGE WS_MESSAGE;
 typedef struct _WS_MESSAGE_DESCRIPTION WS_MESSAGE_DESCRIPTION;
 typedef struct _WS_OPERATION_DESCRIPTION WS_OPERATION_DESCRIPTION;