fix(amazonq): dont show completion suggestion if it's trigged by deletion (#8124)

## 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.

---------

Co-authored-by: Boyu <[email protected]>

Author: Will-ShaoHua

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

@@ -189,6 +189,9 @@ export class RecommendationService {
             })
 
             if (result.items.length > 0 && result.items[0].isInlineEdit === false) {
+                if (isTriggerByDeletion) {
+                    return []
+                }
                 // Completion will not be rendered if an edit suggestion has been active for longer than 1 second
                 if (EditSuggestionState.isEditSuggestionDisplayingOverOneSecond()) {
                     const session = this.sessionManager.getActiveSession()