lint: do not run under race or stress

There is not much value in running lint or stress under race, which
usually invokes different programs or libraries which do not affect the
running of CockroachDB. As such, we move to disable these checks.

Release note: None

pkg/testutils/lint/lint_test.go

@@ -126,6 +126,9 @@ func vetCmd(t *testing.T, dir, name string, args []string, filters []stream.Filt
 // parallelization, and which have reasonable memory consumption
 // should be marked with t.Parallel().
 func TestLint(t *testing.T) {
+	skip.UnderStress(t, "does not provide value")
+	skip.UnderRace(t, "does not provide value")
+
 	crdb, err := build.Import(cockroachDB, "", build.FindOnly)
 	if err != nil {
 		t.Fatal(err)