bitbake: bitbake: Strip old editor directives from file headers

There are much better ways to handle this and most editors shouldn't need this
in modern times, drop the noise from the files. Its not consitently applied
anyway.

(Bitbake rev: 5e43070e3087d09aea2f459b033d035c5ef747d0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/bin/bitbake

@@ -1,6 +1,4 @@
 #!/usr/bin/env python3
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (C) 2003, 2004  Chris Larson
 # Copyright (C) 2003, 2004  Phil Blundell

bitbake/bin/bitdoc

@@ -1,6 +1,4 @@
 #!/usr/bin/env python3
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (C) 2005 Holger Hans Peter Freyther
 #

bitbake/bin/toaster-eventreplay

@@ -1,6 +1,4 @@
 #!/usr/bin/env python3
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (C) 2014        Alex Damian
 #