fix: remove Welcome Walkthrough Security Scan Feature

Author: laileni-aws

packages/amazonq/package.json

@@ -1470,17 +1470,6 @@
                         },
                         "completionEvents": []
                     },
-                    {
-                        "id": "aws.amazonq.walkthrough.securityScan",
-                        "title": "Check for security vulnerabilities",
-                        "description": "Amazon Q scans your code to identify security vulnerabilities and suggests fixes.\n\nStart a scan from the status bar menu.\n\n[Scan your current project](command:_aws.amazonq.walkthrough.securityScanExample)\n\nIdentifies vulnerabilities in Python, Typescript, Ruby, AWS CDK, and [more](https://docs.aws.amazon.com/amazonq/latest/qdeveloper-ug/q-language-ide-support.html#security-scans-language-support)",
-                        "media": {
-                            "markdown": "./resources/walkthrough/amazonq/scans.md"
-                        },
-                        "completionEvents": [
-                            "onCommand:_aws.amazonq.walkthrough.securityScanExample"
-                        ]
-                    },
                     {
                         "id": "aws.amazonq.walkthrough.settings",
                         "title": "Access actions and options",