remove another old comment

Signed-off-by: Tim Vaillancourt <[email protected]>

Author: timvaillancourt

go/vt/topo/topoproto/tablet_test.go

@@ -118,10 +118,6 @@ func TestIsTabletsInList(t *testing.T) {
 	}
 
 	for _, testcase := range testcases {
-		// We create an explicit copy of the range variable for each parallel runner
-		// to be sure that they each run as expected. You can see more information on
-		// this here: https://pkg.go.dev/testing#hdr-Subtests_and_Sub_benchmarks
-
 		t.Run(testcase.name, func(t *testing.T) {
 			t.Parallel()
 			out := IsTabletInList(testcase.tablet, testcase.allTablets)