Update tcl from 8.6.6 to 8.6.7

This is a general bugfix and maintenance release.

Tested as working on XE00C13-K01US.

packages/tcl.rb

@@ -3,21 +3,13 @@ require 'package'
 class Tcl < Package
   description 'Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses, including web and desktop applications, networking, administration, testing and many more.'
   homepage 'http://www.tcl.tk/'
-  version '8.6.6'
-  source_url 'http://downloads.sourceforge.net/tcl/tcl8.6.6-src.tar.gz'
-  source_sha256 'a265409781e4b3edcc4ef822533071b34c3dc6790b893963809b9fe221befe07'
+  version '8.6.7'
+  source_url 'http://downloads.sourceforge.net/tcl/tcl8.6.7-src.tar.gz'
+  source_sha256 '7c6b8f84e37332423cfe5bae503440d88450da8cc1243496249faa5268026ba5'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/tcl-8.6.6-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/tcl-8.6.6-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/tcl-8.6.6-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/tcl-8.6.6-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '1f7cce2d63b32d0babf41ea2ed0df58946ab61fc675d3b278f0814f09ee1ac23',
-     armv7l: '1f7cce2d63b32d0babf41ea2ed0df58946ab61fc675d3b278f0814f09ee1ac23',
-       i686: 'baa85fce23a8ff3febfd85f70c6481a13c1485a13325b4601fcbc53277f0247f',
-     x86_64: '98aab819039aa52db6a192f5733b0ff7e8ce1cde0bb6b27ea54df23cd7c3cc62',
   })
 
   def self.build