refactor(amazonq): update inline tutorial todo comments (#7582)

## Problem


## Solution


---

- Treat all work as PUBLIC. Private `feature/x` branches will not be
squash-merged at release time.
- Your code changes must meet the guidelines in
[CONTRIBUTING.md](https://github.com/aws/aws-toolkit-vscode/blob/master/CONTRIBUTING.md#guidelines).
- License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

Author: Will-ShaoHua

packages/amazonq/src/app/inline/completion.ts

@@ -280,7 +280,7 @@ export class AmazonQInlineCompletionItemProvider implements InlineCompletionItem
                 this.sessionManager.clear()
             }
 
-            // TODO: comment this out for now as it's slow, will take ~200ms each trigger, need to investigate more
+            // TODO: this line will take ~200ms each trigger, need to root cause and maybe better to disable it for now
             // tell the tutorial that completions has been triggered
             await this.inlineTutorialAnnotation.triggered(context.triggerKind)