Added entries to RemovedPackages.md (#10766)

* Add CardVaultClient to removed packages list
* Add MyHelloTest entries
* Add CCX-Arbitrary to RemovedPackages

Author: advay26

RemovedPackages.md

@@ -161,7 +161,12 @@ Scanning is not perfect. Community partnership is a very valuable part of the ov
 |    esharpwin 137.0.101                       |    04/06/2026    |   Malware  |
 |    DemoDLL2 2.0.7                            |    04/06/2026    |   Malware  |
 |    AutoFactories 1.1.10                      |    04/06/2026    |   Malware  |
-
+|    CardVaultClient 1.0.0                     |    04/08/2026    |   Malware  |
+|    MyHelloTest 2.0.1                         |    04/08/2026    |   Malware  |
+|    MyHelloTest 2.0.3                         |    04/08/2026    |   Malware  |
+|    CCX-Arbitrary 1.1.0.276                   |    04/08/2026    |   Malware  |
+|    CCX-Arbitrary 1.1.0.278                   |    04/08/2026    |   Malware  |
+|    CCX-Arbitrary 1.1.0.279                   |    04/08/2026    |   Malware  |
 
 Legend:
 - Copyright violation - Uses someone else's copyrighted or trademarked material without permission.