Delete confirm-transaction-switch component

[jpuri]

confirm-transaction-switch components is responsible for checking un-approved transaction / message and redirecting to appropriate confirmation route.

1. Create a util method which will take transaction and return the pathname for confirmation route. Add test coverage for this method.

2. use this method in /pages/confirm-transaction.component to redirect to specific confirmation route.

3. Ensure this logic to get transaction id from url is also copied over to /pages/confirm-transaction.component

4. Copy over test cases from pages/confirm-transaction-switch to /pages/confirm-transaction

5. Delete pages/confirm-transaction-switch