drop vulkan headers devel package

Resolves: rhbz#2016874

mesa.spec

@@ -58,7 +58,7 @@ Name:           mesa
 Summary:        Mesa graphics libraries
 %global ver 21.3.0
 Version:        %{lua:ver = string.gsub(rpm.expand("%{ver}"), "-", "~"); print(ver)}
-Release:        1%{?dist}
+Release:        2%{?dist}
 License:        MIT
 URL:            http://www.mesa3d.org
 
@@ -307,14 +307,6 @@ Requires:       vulkan%{_isa}
 %description vulkan-drivers
 The drivers with support for the Vulkan API.
 
-%package vulkan-devel
-Summary:        Mesa Vulkan development files
-Requires:       %{name}-vulkan-drivers%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-Requires:       vulkan-devel
-
-%description vulkan-devel
-Headers for development with the Vulkan API.
-
 %prep
 %autosetup -n %{name}-%{ver} -p1
 cp %{SOURCE1} docs/
@@ -605,11 +597,10 @@ popd
 %endif
 %endif
 
-%ifarch %{ix86} x86_64
-%files vulkan-devel
-%endif
-
 %changelog
+* Wed Dec 01 2021 Dave Airlie <airlied@redhat.com> - 21.3.0-2
+- Drop unused package
+
 * Tue Nov 23 2021 Dave Airlie <airlied@redhat.com> - 21.3.0-1
 - Update to mesa 21.3.0