Fix hashbang of non-executed bash libs

These files have #!/bin/bash but do not have the execute bit set, and
are never run directly, only sourced. This has triggered RDO packaging
linting. Also outfilter.py can be run directly but does not have an
execute bit set.

This change fixes these issues.

Change-Id: Idd5cac19ec6f10103495bbe217cc5fe41c48e91b

diskimage_builder/lib/common-defaults

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #

diskimage_builder/lib/common-functions

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #

diskimage_builder/lib/die

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #

diskimage_builder/lib/img-defaults

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #

diskimage_builder/lib/img-functions

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #

diskimage_builder/lib/ramdisk-defaults

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # Copyright (c) 2012 NTT DOCOMO, INC. 
 #

diskimage_builder/lib/ramdisk-functions

@@ -1,4 +1,3 @@
-#!/bin/bash
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 # Copyright (c) 2012 NTT DOCOMO, INC.
 #