wsrep suite isn't run by default, wsrep_info shouldn't either

plugin/wsrep_info/mysql-test/wsrep_info/suite.pm

@@ -28,6 +28,4 @@ push @::global_suppressions,
      qr|WSREP: access file\(.*gvwstate.dat\) failed\(No such file or directory\)|,
    );
 
-sub is_default { 1 }
-
 bless { };