Keep &man.foo.1; form for -CURRENT manual page in the Handbook.

This will avoid any changes in the sgml files.  In translations, only
freebsd.dsl file will have to be updated.
(revert in part previous commit)

share/sgml/man-refs.ent

@@ -11,10 +11,7 @@
      set the vendor attribute, in order to select the right manual page
      collection.  Four different vendor values are available at this
      moment: xfree86, ports, netbsd and current.  Look at man.X.1 entry for an
-     example.  In the case of the use of -CURRENT manual pages, the
-     entity form will be &man.current.foo.1;  This form is only used for
-     -CURRENT manual pages in documentations not for release
-     documentation.
+     example.
 
      Please keep these in order so that the lazier types can automate
      the task of editing this file.  All the man pages in one section
@@ -3250,9 +3247,8 @@
 <!ENTITY man.crontab.5 "<citerefentry/<refentrytitle/crontab/<manvolnum/5//">
 <!ENTITY man.ctm.5 "<citerefentry/<refentrytitle/ctm/<manvolnum/5//">
 <!ENTITY man.cvs.5 "<citerefentry/<refentrytitle/cvs/<manvolnum/5//">
-<!ENTITY man.devfs.5 "<citerefentry/<refentrytitle/devfs/<manvolnum/5//">
-<!ENTITY man.current.devfs.5 "<citerefentry vendor='current'/<refentrytitle/devfs/<manvolnum/5//">
-<!ENTITY man.current.device.hints.5 "<citerefentry vendor='current'/<refentrytitle/device.hints/<manvolnum/5//">
+<!ENTITY man.devfs.5 "<citerefentry vendor='current'/<refentrytitle/devfs/<manvolnum/5//">
+<!ENTITY man.device.hints.5 "<citerefentry vendor='current'/<refentrytitle/device.hints/<manvolnum/5//">
 <!ENTITY man.dhclient.conf.5 "<citerefentry/<refentrytitle/dhclient.conf/<manvolnum/5//">
 <!ENTITY man.dhclient.leases.5 "<citerefentry/<refentrytitle/dhclient.leases/<manvolnum/5//">
 <!ENTITY man.dhcp-options.5 "<citerefentry/<refentrytitle/dhcp-options/<manvolnum/5//">