tipc: Remove unused struct declaration

struct tipc_name_table in core.h is not used. Remove this declaration.

Signed-off-by: Shigeru Yoshida <[e-mail]>
Reviewed-by: Tung Nguyen <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/tipc/core.h

···
 struct tipc_bearer;
 struct tipc_bc_base;
 struct tipc_link;
-struct tipc_name_table;
 struct tipc_topsrv;
 struct tipc_monitor;
 #ifdef CONFIG_TIPC_CRYPTO