Drop python2

PKGBUILD

 # Maintainer: Andrzej Giniewicz <gginiu@gmail.com>
 # Contributor: Atlanis <emallson@archlinux.us>
 
-pkgbase=python-oauth2client
-pkgname=('python2-oauth2client' 'python-oauth2client')
+pkgname=python-oauth2client
 pkgver=4.1.3
-pkgrel=3
+pkgrel=4
 pkgdesc="A client library for OAuth 2.0"
 arch=('any')
 url="https://github.com/google/oauth2client"
 license=('Apache')
-makedepends=('python2-setuptools' 'python-setuptools' 'python-httplib2'
-             'python-pyasn1' 'python-pyasn1-modules' 'python-rsa'
-             'python-six' 'python2-httplib2' 'python2-pyasn1'
-             'python2-pyasn1-modules' 'python2-rsa' 'python2-six')
+depends=('python-httplib2' 'python-pyasn1' 'python-pyasn1-modules' 'python-rsa' 'python-six')
+optdepends=('python-gflags: for oauth2client.tools.run function')
+makedepends=('python-setuptools')
 source=("https://github.com/google/oauth2client/archive/v${pkgver}.tar.gz")
 md5sums=('e5495da59867779d47bacf4bc4c10d86')
 
-prepare() {
-  cd "$srcdir"
-
-  cp -a oauth2client-${pkgver} oauth2client-py2-${pkgver}
-  cd oauth2client-py2-${pkgver}
-
-  sed -e "s|#![ ]*/usr/bin/python$|#!/usr/bin/python2|" \
-      -e "s|#![ ]*/usr/bin/env python$|#!/usr/bin/env python2|" \
-      -e "s|#![ ]*/bin/env python$|#!/usr/bin/env python2|" \
-      -i $(find . -name '*.py')
-}
-
 build() {
-  msg "Building Python2"
-  cd "$srcdir"/oauth2client-py2-${pkgver}
-  python2 setup.py build
-
-  msg "Building Python3"
   cd "$srcdir"/oauth2client-${pkgver}
   python setup.py build
 }
 
-package_python2-oauth2client() {
-  depends=('python2-httplib2' 'python2-pyasn1' 'python2-pyasn1-modules' 'python2-rsa' 'python2-six')
-  optdepends=('python2-gflags: for oauth2client.tools.run function')
-
-  cd "$srcdir"/oauth2client-py2-${pkgver}
-
-  python2 setup.py install --skip-build --root="$pkgdir" --optimize=1
-}
-
-package_python-oauth2client() {
-  depends=('python-httplib2' 'python-pyasn1' 'python-pyasn1-modules' 'python-rsa' 'python-six')
-  optdepends=('python-gflags: for oauth2client.tools.run function')
-
+package() {
   cd "$srcdir"/oauth2client-${pkgver}
 
   python setup.py install --skip-build --root="$pkgdir" --optimize=1