hifn.4: Really remove

Fixes:	a38a42ed9a (random: remove hifn(4))
Fixes:	685a78570b (random: remove hifn(4))

ObsoleteFiles.inc

@@ -55,7 +55,7 @@
 OLD_FILES+=share/man/man4/pccard.4
 
 # 20251028: Remove hifn(4)
-OLD_FILES+=share/man/man4/hifn.4
+OLD_FILES+=share/man/man4/hifn.4.gz
 
 # 20251006: Remove libnss_tacplus.a (it never should have been installed)
 OLD_FILES+=usr/lib/libnss_tacplus.a

share/man/man4/crypto.4

@@ -346,7 +346,6 @@ Destroys the session identified by
 .El
 .Sh SEE ALSO
 .Xr aesni 4 ,
-.Xr hifn 4 ,
 .Xr ipsec 4 ,
 .Xr padlock 4 ,
 .Xr safe 4 ,