Update itstool from 2.0.4 to 2.0.6 (#3633)

Tested on ARM.

packages/itstool.rb

@@ -3,31 +3,23 @@ require 'package'
 class Itstool < Package
   description 'Translate XML with PO files using W3C Internationalization Tag Set rules'
   homepage 'http://itstool.org/'
-  version '2.0.4'
-  source_url 'https://github.com/itstool/itstool/archive/2.0.4.tar.gz'
-  source_sha256 '3221bba908eb3c19d3b6f8e195ad706afcfef9d2f552d44e45cd77f622fd6dbc'
+  version '2.0.6'
+  source_url 'https://github.com/itstool/itstool/archive/2.0.6.tar.gz'
+  source_sha256 'bda0b08e9a1db885c9d7d1545535e9814dd8931d5b8dd5ab4a47bd769d0130c6'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/itstool-2.0.4-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/itstool-2.0.4-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/itstool-2.0.4-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/itstool-2.0.4-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '65f59d6c2991f6bebd7716d11e30b443ada767f33f21c620eaafd2e8f56d3164',
-     armv7l: '65f59d6c2991f6bebd7716d11e30b443ada767f33f21c620eaafd2e8f56d3164',
-       i686: '3fd0335f8b9c45ca65994abd1facd313f061d9ed529aa54161309dd96ed5a928',
-     x86_64: '1a2b5ed97e30e42bb37140eef1d0b09055c7f00e34b7b9748a3387fd38426f6a',
   })
 
   def self.build
-    system "./autogen.sh"
+    system './autogen.sh'
     system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
-    system "make"
+    system 'make'
   end
   
    def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install" # the steps required to install the package
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
   end
   
 end