Unhide the `devtools` command from `dart --help`

Change-Id: I853cdcd6cb968fa4c5c7b56a5ad69a27c60e4524
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/217743
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
Commit-Queue: Kenzie Schmoll <kenzieschmoll@google.com>
diff --git a/pkg/dartdev/lib/dartdev.dart b/pkg/dartdev/lib/dartdev.dart
index 73cf9c2..c0082b3 100644
--- a/pkg/dartdev/lib/dartdev.dart
+++ b/pkg/dartdev/lib/dartdev.dart
@@ -116,9 +116,6 @@
     addCommand(CompileCommand(verbose: verbose));
     addCommand(DevToolsCommand(
       verbose: verbose,
-      // TODO(devoncarew): Un-hide this command after a stabilization period
-      // likely before the next stable release (before Dart 2.15).
-      hidden: !verbose,
       customDevToolsPath: sdk.devToolsBinaries,
     ));
     addCommand(FixCommand(verbose: verbose));