We should support deleting only Encumbrance transactions, which are not connected to invoice and have not yet paid
API for removing Encumbrance transaction should be defined and implemented
1. Define Delete API mod-finance\ramls\transaction.raml
2. Implement API, which allow delete only Encumbrance transactions, which are not connected to invoice and have not yet paid.
!Note : Despite the fact that this is storage module, we need to add business logic here to prevent the occurrence of inconsistency in the results of financial operations and amounts
API defined and implemented