!18 openstack-cinder delete -S git from %autosetup, and delete BuildRequires git-core

From: @chenyanpanHW
Reviewed-by: @huangtianhua
Signed-off-by: @huangtianhua

openstack-cinder.spec

@@ -9,7 +9,7 @@ access block storage volumes for use by Virtual Machine instances.
 Name:             openstack-%{service}
 Epoch:            1
 Version:          17.0.0
-Release:          2%{?dist}
+Release:          3
 Summary:          OpenStack Volume service
 
 License:          Apache-2.0
@@ -36,7 +36,6 @@ BuildRequires:    python3-devel
 BuildRequires:    python3-setuptools
 BuildRequires:    python3-netaddr
 BuildRequires:    systemd
-BuildRequires:    git-core
 BuildRequires:    python3-os-brick
 BuildRequires:    python3-pyparsing
 BuildRequires:    python3-pytz
@@ -269,7 +268,7 @@ This package contains documentation files for %{service}.
 %endif
 
 %prep
-%autosetup -n %{service}-%{upstream_version} -S git
+%autosetup -n %{service}-%{upstream_version} -p1
 
 find . \( -name .gitignore -o -name .placeholder \) -delete
 
@@ -420,6 +419,9 @@ exit 0
 %endif
 
 %changelog
+* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 17.0.0-3
+- DESC: delete -S git from %autosetup, and delete BuildRequires git-core
+
 * Sat Feb 20 2021 yaozc701 <yaozc7@foxmail.com>
 - update spec file python3-migrate —> python3-sqlalchemy-migrate