added beneficiary deletion feature

src/routes/beneficiary.route.js

@@ -9,5 +9,9 @@ router.get('/validate/outside-bank', beneficiaryController.validateOutsideBank);
 router.get('/ifsc-details', beneficiaryController.getIfscDetails);
 router.get('/', beneficiaryController.getBeneficiary);
 router.post('/', newBeneficiaryValidator, beneficiaryController.addBeneficiary);
+router.delete(
+  '/:beneficiaryAccountNo',
+  beneficiaryController.deleteBeneficiary
+);
 
 module.exports = router;