Remove duplicate params var

roles/netbootxyz/templates/menu/centos.ipxe.j2

@@ -63,7 +63,7 @@ imgfree
 iseq ${osversion} 9-stream && set centos_mirror http://mirror.rackspace.com/centos-stream ||
 iseq ${osversion} 9-stream && set dir ${osversion}/BaseOS/${os_arch}/os ||
 iseq ${osversion} 9-stream && set repo ${centos_mirror}/${dir} ||
-kernel ${centos_mirror}/${dir}/images/pxeboot/vmlinuz inst.repo=${repo} ${install_mode} ${params} ${params} ${ipparam} {{ kernel_params }}
+kernel ${centos_mirror}/${dir}/images/pxeboot/vmlinuz inst.repo=${repo} ${install_mode} ${params} ${ipparam} {{ kernel_params }}
 initrd ${centos_mirror}/${dir}/images/pxeboot/initrd.img
 echo
 echo MD5sums: