Typo fix. Remove reference to non-existent edit(1).

Pointed out by:	Sue Blake <sue@welearn.com.au>

share/man/man7/environ.7

@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	@(#)environ.7	8.3 (Berkeley) 4/19/94
-.\"	$Id: environ.7,v 1.9 1997/03/07 03:28:14 jmg Exp $
+.\"	$Id: environ.7,v 1.10 1997/03/08 14:41:44 wosch Exp $
 .\"
 .Dd April 19, 1994
 .Dt ENVIRON 7
@@ -64,8 +64,7 @@ by ``G'' or ``g''.
 Sizes less than 512 bytes or greater than a gigabyte are ignored.
 .It Ev EXINIT
 A startup list of commands read by
-.Xr ex  1  ,
-.Xr edit  1 ,
+.Xr ex  1
 and
 .Xr vi  1  .
 .It Ev HOME
@@ -119,10 +118,8 @@ or, if
 it begins with a '/', the name of the termcap file.
 See
 .Ev TERMPATH
-below,
-.Xr termcap  5  ,
-and
-.Xr termcap  .
+below, and
+.Xr termcap  5 .
 .It Ev TERMPATH
 A sequence of pathnames of termcap files, separated by colons or spaces,
 which are searched for terminal descriptions in the order listed.  Having