Revert "Update Python macros to new packaging standards"

This reverts commit e7b54f3475.

It breaks the build: https://koji.fedoraproject.org/koji/taskinfo?taskID=28586904

openscap.spec

@@ -1,6 +1,6 @@
 Name:           openscap
 Version:        1.3.0_alpha1
-Release:        2%{?dist}
+Release:        1%{?dist}
 Summary:        Set of open source libraries enabling integration of the SCAP line of standards
 Group:          System Environment/Libraries
 License:        LGPLv2+
@@ -184,7 +184,7 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/openscap/cpe/*
 
 %files -n python2-openscap
-%{python2_sitearch}/*
+%{python_sitearch}/*
 
 %files python3
 %{python3_sitearch}/*
@@ -229,10 +229,6 @@ rm -rf $RPM_BUILD_ROOT
 %{python3_sitelib}/oscap_docker_python/*
 
 %changelog
-* Tue Jul 24 2018 Miro Hrončok <mhroncok@redhat.com> - 1.3.0_alpha1-2
-- Update Python macros to new packaging standards
-  (See https://fedoraproject.org/wiki/Changes/Move_usr_bin_python_into_separate_package)
-
 * Wed Jul 18 2018 Jan Černý <jcerny@redhat.com> - 1.3.0_alpha1-1
 - upgrade to the latest upstream release
 - change specfile to use CMake