bridge: drop reference to unused option embedded from manpage

While looking at the manpage, I noticed a reference to 'embedded' that was
added by this commit:

	commit d611682a
	Author: John Fastabend <john.r.fastabend@intel.com>
	Date:   Thu Sep 13 23:50:36 2012 -0700

	    iproute2: bridge: finish removing replace option in man pages

I no longer see any reference to the 'embedded' option in any c- or h-files, so
it seems worthwhile to remove.
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
CC: John Fastabend <john.r.fastabend@intel.com>

man/man8/bridge.8

@@ -54,7 +54,7 @@ bridge \- show / manipulate bridge addresses and devices
 .B  dev
 .IR DEV " { "
 .BR local " | " temp " } { "
-.BR self " } { " embedded " } { " router " } [ "
+.BR self " } { " router " } [ "
 .B  dst
 .IR IPADDR " ] [ "
 .B vni
@@ -326,10 +326,6 @@ the interface to which this address is associated.
 - the address is associated with a software fdb (default)
 .sp
 
-.B embedded
-- the address is associated with an offloaded fdb
-.sp
-
 .B router
 - the destination address is associated with a router.
 Valid if the referenced device is a VXLAN type device and has