Remove mesa vulkan driver requirement (temporary, bootstrap)

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

vulkan-loader.spec

@@ -1,6 +1,6 @@
 Name:           vulkan-loader
 Version:        1.1.114.0
-Release:        1%{?dist}
+Release:        1.0.riscv64%{?dist}
 Summary:        Vulkan ICD desktop loader
 
 License:        ASL 2.0
@@ -26,14 +26,6 @@ Obsoletes:      vulkan < %{version}-%{release}
 Provides:       vulkan-filesystem = %{version}-%{release}
 Obsoletes:      vulkan-filesystem < %{version}-%{release}
 
-%if 0%{?fedora} <= 27
-%ifarch x86_64 i686 
-Requires:       mesa-vulkan-drivers%{?_isa}
-%endif
-%else
-Requires:       mesa-vulkan-drivers%{?_isa}
-%endif
-
 %description
 This project provides the Khronos official Vulkan ICD desktop 
 loader for Windows, Linux, and MacOS.
@@ -91,6 +83,9 @@ mkdir -p %{buildroot}%{_sysconfdir}/vulkan/{explicit,implicit}_layer.d/ \
 
 
 %changelog
+* Fri Aug 24 2019 David Abdurachmanov <david.abdurachmanov@sifive.com> - 1.1.114.0-1.0.riscv64
+- Temporary change to bootstrap package
+
 * Wed Jul 31 2019 Dave Airlie <airlied@redhat.com> - 1.1.114.0-1
 - Update to 1.1.114.0