jiri-test: re-enable TestV23DeviceManager* in go.go

They're also disabled in the test.go file (by
https://vanadium-review.googlesource.com/#/c/21636) so we don't need to
keep the exception in the jiri tool too.

Change-Id: Ie344ec247802a31c51cd5f1c1ada704587caea1a
diff --git a/jiri-test/internal/test/go.go b/jiri-test/internal/test/go.go
index 82091a6..c0e9481 100644
--- a/jiri-test/internal/test/go.go
+++ b/jiri-test/internal/test/go.go
@@ -1006,13 +1006,9 @@
 		//
 		// https://github.com/veyron/release-issues/issues/1494
 		newExclusion("v.io/x/ref/runtime/internal/rpc/stream/vc", "TestConcurrentFlows", isDarwin() && is386()),
-		// // TODO(jingjin): re-enable this test when the following issue is resolved.
-		// // https://github.com/vanadium/issues/issues/639
-		// newExclusion("v.io/x/ref/services/device", "TestV23DeviceManagerMultiUser", isDarwin()),
-		// TODO(razvanm): re-enable the device manager tests and enable the above
-		// exclusion when https://v.io/i/1286 is fixed.
-		newExclusion("v.io/x/ref/services/device", "TestV23DeviceManagerMultiUser", isCI()),
-		newExclusion("v.io/x/ref/services/device", "TestV23DeviceManagerSingleUser", isCI()),
+		// TODO(jingjin): re-enable this test when the following issue is resolved.
+		// https://github.com/vanadium/issues/issues/639
+		newExclusion("v.io/x/ref/services/device", "TestV23DeviceManagerMultiUser", isDarwin()),
 		// The fsnotify package tests are flaky on darwin. This begs the
 		// question of whether we should be relying on this library at
 		// all.