net: fq: Remove unused typedef fq_flow_get_default_t

Commitbf9009bf21b5 ("net/fq_impl: drop get_default_func, move default flow to fq_tin")
remove its last user, so can remove it.

Signed-off-by: Yue Haibing <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

include/net/fq.h

···
 			     struct sk_buff *,
 			     void *);
 
-typedef struct fq_flow *fq_flow_get_default_t(struct fq *,
-					      struct fq_tin *,
-					      int idx,
-					      struct sk_buff *);
-
 #endif