remove obsolete comment from 'bootstrap'

[Paul Eggert]

I installed this to catch up with recent changes:

* build-aux/bootstrap: Remove obsolete comment about wget --help.
Index: build-aux/bootstrap
===================================================================
RCS file: /cvsroot/gnulib/gnulib/build-aux/bootstrap,v
retrieving revision 1.11
diff -u -p -r1.11 bootstrap
--- build-aux/bootstrap 2 Sep 2007 23:05:26 -0000       1.11
+++ build-aux/bootstrap 6 Sep 2007 18:13:24 -0000
@@ -23,7 +23,6 @@ nl='
 '

 # Ensure file names are sorted consistently across platforms.
-# Also, ensure diagnostics are in English, e.g., "wget --help" below.
 LC_ALL=C
 export LC_ALL