Build with python3 support (#2435)

* Build with python3 support

Script now checks if python3 is the only version installed, and if so, it switches it with python27 in requirements and configure string (interpret).

* Removed unnecessary conditional for python version

Now the script installs it with python3 support by default.

* Incremented vim version, and removed the binaries.

packages/vim.rb

@@ -3,28 +3,15 @@ require 'package'
 class Vim < Package
   description 'Vim is a highly configurable text editor built to make creating and changing any kind of text very efficient.'
   homepage 'http://www.vim.org/'
-  version '8.0-2'
+  version '8.0-3'
   source_url 'ftp://ftp.vim.org/pub/vim/unix/vim-8.0.tar.bz2'
   source_sha256 '08bd0d1dd30ece3cb9905ccd48b82b2f81c861696377508021265177dc153a61'
 
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/vim-8.0-2-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/vim-8.0-2-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/vim-8.0-2-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/vim-8.0-2-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: '41c5462bc6a85758c826a3238d1e639beff5aeaad4cad6c279a8916b6d3ae21a',
-     armv7l: '41c5462bc6a85758c826a3238d1e639beff5aeaad4cad6c279a8916b6d3ae21a',
-       i686: 'c248117c8aba83f20c362999da8ec4b7c7b73aa74e6e4251a0dc114320809df9',
-     x86_64: 'c0b2c46297ce1b5d01c42352675e26c980c4f51e1816263150c4c0e99f1899be',
-  })
-
   depends_on 'compressdoc' => :build
   depends_on 'ncurses'
   # vim uses shared library of following languages, so need them isntalled at run-time
   depends_on 'perl'
-  depends_on 'python27'
+  depends_on 'python3'
   depends_on 'ruby'
 
   def self.build
@@ -37,7 +24,7 @@ class Vim < Package
             --enable-multibyte \
             --with-tlib=ncurses \
             --enable-perlinterp \
-            --enable-pythoninterp \
+            --enable-python3interp \
             --enable-rubyinterp \
             --with-ruby-command=#{CREW_PREFIX}/bin/ruby \
             --with-vimdiff \