!2 libportal delete -S git from %autosetup, and delete BuildRequires git

From: @chenyanpanHW
Reviewed-by: @orange-snn
Signed-off-by: @orange-snn

libportal.spec

@@ -1,6 +1,6 @@
 Name:           libportal
 Version:        0.3
-Release:        1
+Release:        2
 Summary:        Flatpak portal library
 License:        LGPLv2+
 Url:            https://github.com/flatpak/libportal
@@ -8,7 +8,6 @@ Source:         https://github.com/flatpak/libportal/releases/download/0.3/libpo
 
 BuildRequires:  glibc-devel gcc
 BuildRequires:  meson
-BuildRequires:  git
 BuildRequires:  pkgconfig(gio-2.0)
 BuildRequires:  pkgconfig(gio-unix-2.0)
 BuildRequires:  gtk-doc
@@ -39,7 +38,7 @@ libportal provides GIO-style asynchronous APIs for most Flatpak portals.
 This package provides development documentations for libportal.
 
 %prep
-%autosetup -S git
+%autosetup -p1
 
 %build
 %meson
@@ -64,6 +63,9 @@ This package provides development documentations for libportal.
 %{_datadir}/gtk-doc/html/libportal
 
 %changelog
+* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 0.3-2
+- DESC: delete -S git from %autosetup, and delete BuildRequires git
+
 * Thu Jun 24 2021 Wenlong Ding <wenlong.ding@turbolinux.com.cn> - 0.3-1
 - Init package.