Revert "Enables the cipher key encryption flag"

This reverts commit f933c7d69f.

src/Core/Services/CipherService.cs

@@ -1,4 +1,4 @@
-#define ENABLE_NEW_CIPHER_KEY_ENCRYPTION_ON_CREATION
+//#define ENABLE_NEW_CIPHER_KEY_ENCRYPTION_ON_CREATION
 
 using System;
 using System.Collections.Generic;