chore(tslint): fix errors

Author: MartoYankov

Diff for: nativescript-angular/directives/dialogs.ts

@@ -10,7 +10,6 @@ import {
 } from "@angular/core";
 
 import { NSLocationStrategy } from "../router/ns-location-strategy";
-import { Page } from "tns-core-modules/ui/page";
 import { View, ViewBase } from "tns-core-modules/ui/core/view";
 import { ProxyViewContainer } from "tns-core-modules/ui/proxy-view-container/proxy-view-container";
 

Diff for: nativescript-angular/router/ns-location-strategy.ts

@@ -136,7 +136,6 @@ export class NSLocationStrategy extends LocationStrategy {
                 const rootOutlets = stateUrlTree.root.children;
 
                 Object.keys(rootOutlets).forEach(outletName => {
-                    const outletStates = this.statesByOutlet[outletName] = this.statesByOutlet[outletName] || [];
                     const topState = this.peekState(outletName);
 
                     topState.segmentGroup = rootOutlets[outletName];

Diff for: nativescript-angular/router/page-router-outlet.ts

@@ -2,7 +2,7 @@ import {
     Attribute, ChangeDetectorRef,
     ComponentFactory, ComponentFactoryResolver, ComponentRef,
     Directive, Inject, InjectionToken, Injector,
-    OnDestroy, OnInit, EventEmitter, Output,
+    OnDestroy, EventEmitter, Output,
     Type, ViewContainerRef, ElementRef
 } from "@angular/core";
 import {