- remove pwdutils and timezone from default essentials, timezone

is only required by very specific test suites, the builds happen
  in UTC anyway - and pwdutils hides packaging bugs

OBS-URL: https://build.opensuse.org/package/show/Base:System/rpm?expand=0&rev=239

rpm.spec

@@ -196,8 +196,6 @@ Requires:       xz
 # drop candidates
 Requires:       cpio
 Requires:       file
-Requires:       pwdutils
-Requires:       timezone
 
 %description build
 If you want to build a rpm, you need this package. It provides rpmbuild