moved pre script to opensuse only (#102)

package/yast2-theme.spec

@@ -287,6 +287,8 @@ rm -rf $RPM_BUILD_ROOT/usr/share/icons/{crystal,oxygen}
 %fdupes $RPM_BUILD_ROOT%{yast_themedir}
 %fdupes $RPM_BUILD_ROOT/usr/share/icons
 
+%if 0%{?is_opensuse}
+
 # ../current/icons is a directory in older versions of yast2-branding-openSUSE.
 # While update via cpio this directory cannot be overwritten by a link with the same name.
 # This link is provided by the newer versions of yast2-branding-openSUSE. So we have to remove
@@ -296,8 +298,6 @@ if test -L %{yast_themedir}/current ; then
   rm %{yast_themedir}/current
 fi
 
-%if 0%{?is_opensuse}
-
 %post -n yast2-branding-openSUSE-Oxygen
 if test -L %{yast_themedir}/current/icons ; then
   rm %{yast_themedir}/current/icons