Accepting request 768253 from home:lnussel:branches:Base:System

- disable single and testsuite builds in rings/staging
- remove duplicate "coreutils" in flavor to make it look nicer in OBS

OBS-URL: https://build.opensuse.org/request/show/768253
OBS-URL: https://build.opensuse.org/package/show/Base:System/coreutils?expand=0&rev=301

_multibuild

@@ -1,4 +1,4 @@
 <multibuild>
-  <flavor>coreutils-single</flavor>
-  <flavor>coreutils-testsuite</flavor>
+  <flavor>single</flavor>
+  <flavor>testsuite</flavor>
 </multibuild>