!5 [轻量级PR] 删除spec文件中不必要的buildrequirements

From: @kkzhs_admin 
Reviewed-by: @xiyuanwang 
Signed-off-by: @xiyuanwang

pep257.spec

@@ -4,7 +4,7 @@
 	compliance with Python PEP 257
 Name:           python-pep257
 Version:        0.7.0
-Release:        1
+Release:        2
 Summary:        Python docstring style checker
 License:        MIT
 URL:            https://github.com/GreenSteam/pep257/
@@ -19,9 +19,6 @@ Provides:       python-pep257
 # Base build requires
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
-BuildRequires:  python3-pbr
-BuildRequires:  python3-pip
-BuildRequires:  python3-wheel
 %description -n python3-pep257
 %{common_desc}
 
@@ -77,5 +74,8 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Fri Mar 04 2022 zhaoshuang <zhaoshuang@uniontech.com> - 0.7.0-2
+- remove unnecessary buildrequires
+
 * Tue Jul 20 2021 OpenStack_SIG <openstack@openeuler.org> - 0.7.0-1
 - Package Spec generate