Richard Scheffenegger e74e64a191 cc_mod: remove unused CCF_DELACK definition
During the DCTCP improvements, use of CCF_DELACK was
removed. This change is just to rename the unused flag
bit to prevent use of it, without also re-implementing
the tcp_input and tcp_output interfaces.

No functional change.

Reviewed by:	chengc_netapp.com, tuexen
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26181
2020-09-10 00:46:38 +00:00
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