Update python3 from 3.8.0 to 3.8.1 (#3716)

packages/python3.rb

@@ -3,21 +3,13 @@ require 'package'
 class Python3 < Package
   description 'Python is a programming language that lets you work quickly and integrate systems more effectively.'
   homepage 'https://www.python.org/'
-  version '3.8.0'
-  source_url 'https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tar.xz'
-  source_sha256 'b356244e13fb5491da890b35b13b2118c3122977c2cd825e3eb6e7d462030d84'
+  version '3.8.1'
+  source_url 'https://www.python.org/ftp/python/3.8.1/Python-3.8.1.tar.xz'
+  source_sha256 '75894117f6db7051c1b34f37410168844bbb357c139a8a10a352e9bf8be594e8'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/python3-3.8.0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/python3-3.8.0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/python3-3.8.0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/python3-3.8.0-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '4afa8ecd1a9ecf6d1285df6bc4b84257ac5c4e2f7bc9e54e18800396496f8fa1',
-     armv7l: '4afa8ecd1a9ecf6d1285df6bc4b84257ac5c4e2f7bc9e54e18800396496f8fa1',
-       i686: '06d3a325588df096ffedab12bc7ea8161cb50676f68a29c70bfc0da7ed66796c',
-     x86_64: '18e5f2e63ee96dc2bbe4908a0b97016615eb11cf029f1fb748db74f33932ffe5',
   })
 
   depends_on 'bz2'