Removed the use of any and enabled the rule in eslint.

Now according to me the conversion is final.
Testing is required.

overlord/src/app/payment/payment.component.ts

@@ -11,6 +11,7 @@ import { debounceTime, distinctUntilChanged, map, startWith, switchMap } from 'r
 
 import { AuthService } from '../auth/auth.service';
 import { Account } from '../core/account';
+import { AccountBalance } from '../core/account-balance';
 import { AccountService } from '../core/account.service';
 import { DbFile } from '../core/db-file';
 import { Journal } from '../core/journal';
@@ -41,7 +42,7 @@ export class PaymentComponent implements OnInit, AfterViewInit, OnDestroy {
   paymentJournal: Journal = new Journal();
   voucher: Voucher = new Voucher();
   account: Account | null;
-  accBal: any;
+  accBal: AccountBalance | null = null;
 
   displayedColumns = ['account', 'amount', 'action'];