Remove uneeded dependency.

src/operations/index.ts

@@ -24,12 +24,12 @@ var angular = require('angular');
 
 import {
     downgradeInjectable,
+    downgradeComponent
 } from '@angular/upgrade/static';
 
 import { ToastrService } from 'ngx-toastr';
 
 var ngResource       = require('angular-resource'),
-    ngMessages       = require('angular-messages'),
     ngStrap          = require('angular-strap');
 
 var balanceChartModule  = require('./balance-chart.component'),
@@ -42,7 +42,6 @@ var OperationController = require('./operation.controller');
 
 export default angular.module('accountant.operations', [
     ngResource,
-    ngMessages,
     ngStrap,
     accountModule,
     balanceChartModule,