Bug #42535 MTR2 output format for skipped tests should be identical to MTR 1

Changed [ skip ] to [ skipped ] and removed optional .

mysql-test/lib/mtr_report.pm

@@ -165,18 +165,11 @@ sub mtr_report_test ($) {
     }
     elsif ( $comment )
     {
-      if ( $tinfo->{skip_detected_by_test} )
-      {
-	mtr_report("[ skip ]. $comment");
-      }
-      else
-      {
-	mtr_report("[ skip ]  $comment");
-      }
+      mtr_report("[ skipped ]  $comment");
     }
     else
     {
-      mtr_report("[ skip ]");
+      mtr_report("[ skipped ]");
     }
   }
   elsif ($result eq 'MTR_RES_PASSED')