fix: remove wrong test case (#2453)

Author: alepane21

router-tests/ratelimit_test.go

@@ -708,11 +708,6 @@ func TestRateLimit(t *testing.T) {
 					name:            "should successfully use auth from first url",
 					clusterUrlSlice: []string{"redis://cosmo:test@localhost:7003", "redis://cosmo1:test1@localhost:7001", "redis://cosmo2:test2@localhost:7002"},
 				},
-				// TODO: Was false-positive: if password is configured for the cluster default user, it fails. Investigate & fix functionality as needed. (ENG-8270)
-				//{
-				//	name:            "should successfully use auth from later url if no auth in first urls",
-				//	clusterUrlSlice: []string{"redis://localhost:7003", "rediss://localhost:7001", "rediss://cosmo:test@localhost:7002"},
-				//},
 				{
 					name:            "should successfully work with two urls",
 					clusterUrlSlice: []string{"redis://cosmo:test@localhost:7002", "rediss://localhost:7001"},