git: f260cddb30d9 - stable/13 - netgraph.4: remove obsolete ng_atm.4 reference

From: Brooks Davis <brooks_at_FreeBSD.org>
Date: Mon, 06 Mar 2023 18:27:57 UTC 
The branch stable/13 has been updated by brooks:

URL: https://cgit.FreeBSD.org/src/commit/?id=f260cddb30d9da5f27a7fb3b7479f0db03dd2c3d

commit f260cddb30d9da5f27a7fb3b7479f0db03dd2c3d
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2023-03-02 23:37:18 +0000
Commit:     Brooks Davis <brooks@FreeBSD.org>
CommitDate: 2023-03-06 18:20:45 +0000

    netgraph.4: remove obsolete ng_atm.4 reference
    
    Reviewed by:    emaste
    Differential Revision:  https://reviews.freebsd.org/D38876
    
    (cherry picked from commit 3518a5bbd9bb0c03b38dea62e577042b779c3aed)
---
 share/man/man4/netgraph.4 | 1 -
 1 file changed, 1 deletion(-)

diff --git a/share/man/man4/netgraph.4 b/share/man/man4/netgraph.4
index 6b850e27762a..9352893fba5d 100644
--- a/share/man/man4/netgraph.4
+++ b/share/man/man4/netgraph.4
@@ -1417,7 +1417,6 @@ common networking problems, solved using
 .Xr socket 2 ,
 .Xr netgraph 3 ,
 .Xr ng_async 4 ,
-.Xr ng_atm 4 ,
 .Xr ng_atmllc 4 ,
 .Xr ng_bluetooth 4 ,
 .Xr ng_bpf 4 ,