!3 remove python2 dependencies of package python-lit

From: @wang--ge
Reviewed-by: @small_leek
Signed-off-by: @small_leek

python-lit.spec

@@ -1,29 +1,20 @@
-%{!?py2_build: %global py2_build %{expand: CFLAGS="%{optflags}" %{__python2} setup.py %{?py_setup_args} build --executable="%{__python2} -s"}}
-%{!?py2_install: %global py2_install %{expand: CFLAGS="%{optflags}" %{__python2} setup.py %{?py_setup_args} install -O1 --skip-build --root %{buildroot}}}
 Name:          python-lit
 Version:       0.7.0
-Release:       3
+Release:       4
 BuildArch:     noarch
 License:       NCSA
 Summary:       A tool to execute the llvm test suite
 URL:           https://pypi.python.org/pypi/lit
 Source0:       https://files.pythonhosted.org/packages/e5/0c/2f40cd6be5c79e15c5456b2aff6aea2e6196e8c42c0836a4da52d4df8d43/lit-0.7.0.tar.gz
-BuildRequires: python2-devel python2-setuptools python3-devel python3-setuptools
+BuildRequires: python3-devel python3-setuptools
 
 %description
 python-lit is a tool used by LLVM to execute its test suite.
 
-%package -n python2-lit
-Summary: LLVM lit test runner for Python 2
-Requires: python2-setuptools
-
 %package -n python3-lit
 Summary: LLVM lit test runner for Python 3
 Requires: python3-setuptools
 
-%description -n python2-lit
-python-lit is a tool used by LLVM to execute its test suite.
-
 %description -n python3-lit
 python-lit is a tool used by LLVM to execute its test suite.
 
@@ -31,27 +22,20 @@ python-lit is a tool used by LLVM to execute its test suite.
 %autosetup -n lit-%{version}%{?rc_ver:rc%{rc_ver}} -p1
 
 %build
-%py2_build
 %py3_build
 
 %install
-%py2_install
 %py3_install
-sed -i -e '1{\@^#!/usr/bin/env python@d}' %{buildroot}%{python2_sitelib}/lit/*.py
 sed -i -e '1{\@^#!/usr/bin/env python@d}' %{buildroot}%{python3_sitelib}/lit/*.py
 
-%check
-%{__python2} setup.py test
-
-%files -n python2-lit
-%doc README.txt
-%{python2_sitelib}/*
-
 %files -n python3-lit
 %doc README.txt
 %{python3_sitelib}/*
 %{_bindir}/lit
 
 %changelog
+* Mon Oct 26 2020 Ge Wang<wangge20@huawei.com> - 0.7.0-4
+- remove python2
+
 * Sat Nov 30 2019 gulining<gulining1@huawei.com> - 0.7.0-3
 - Pakcage init