!12 fix build error about rhythm.jpg

From: @peijiankang 
Reviewed-by: @dou33 
Signed-off-by: @dou33

ukui-wallpapers.spec

@@ -1,7 +1,7 @@
 %define debug_package %{nil}
 Name:           ukui-wallpapers
 Version:        20.04.4
-Release:        2
+Release:        3
 Summary:        Wallpapers for UKUI desktop environment
 License:        CC-BY-SA-3.0 
 URL:            http://www.ukui.org
@@ -32,6 +32,8 @@ ninja -C build install
 cp warty-final-ubuntukylin.jpg %{buildroot}/usr/share/backgrounds
 chmod 755 %{buildroot}/usr/share/backgrounds/warty-final-ubuntukylin.jpg
 
+rm -rf  %{buildroot}/usr/share/backgrounds/rhythm.jpg
+
 %clean
 rm -rf $RPM_BUILD_ROOT
 
@@ -43,6 +45,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Feb 10 2023 peijiankang <peijiankang@kylinos.cn> - 20.04.4-3
+- fix build error about rhythm.jpg
+
 * Fri Feb 11 2022 tanyulong <tanyulong@kylinos.cn> - 20.04.4-2
 - fix build file not found error