fix: Remove unneeded component imports (#1568)

Author: trimox

packages/chips/chip-set.ts

@@ -14,7 +14,7 @@ import {
   ViewEncapsulation
 } from '@angular/core';
 import { merge, Observable, Subject, Subscription } from 'rxjs';
-import { startWith, take, takeUntil } from 'rxjs/operators';
+import { startWith, takeUntil } from 'rxjs/operators';
 
 import { toBoolean } from '@angular-mdc/web/common';
 

packages/floating-label/floating-label.ts

@@ -2,7 +2,6 @@ import {
   AfterContentInit,
   Directive,
   ElementRef,
-  EventEmitter,
   Input,
   NgZone,
   OnDestroy

packages/icon-button/icon-button.ts

@@ -68,7 +68,7 @@ export class MdcIconOn { }
   changeDetection: ChangeDetectionStrategy.OnPush,
   encapsulation: ViewEncapsulation.None
 })
-export class MdcIconButton implements AfterContentInit, OnDestroy {
+export class MdcIconButton implements AfterContentInit, ControlValueAccessor, OnDestroy {
   private _uniqueId: string = `mdc-icon-button-${++nextUniqueId}`;
 
   @Input() id: string = this._uniqueId;

packages/list/list.ts

@@ -12,7 +12,6 @@ import {
   OnDestroy,
   Output,
   QueryList,
-  ViewChild,
   ViewEncapsulation
 } from '@angular/core';
 import { fromEvent, merge, Observable, Subject, Subscription } from 'rxjs';

packages/menu-surface/menu-surface.abstract.ts

@@ -8,10 +8,9 @@ import {
   Output
 } from '@angular/core';
 import { fromEvent, Subject, Subscription } from 'rxjs';
-import { startWith, takeUntil } from 'rxjs/operators';
+import { takeUntil } from 'rxjs/operators';
 
-import { Platform, toBoolean, toNumber } from '@angular-mdc/web/common';
-import { MdcMenuSurfaceAnchor } from './menu-surface-anchor';
+import { Platform, toBoolean } from '@angular-mdc/web/common';
 
 import { getTransformPropertyName } from '@material/menu-surface/util';
 import { Corner, strings } from '@material/menu-surface/constants';

packages/menu/menu.ts

@@ -11,7 +11,6 @@ import {
   OnDestroy,
   Output,
   QueryList,
-  ViewChild,
   ViewEncapsulation
 } from '@angular/core';
 import { Subscription } from 'rxjs';

packages/overlay/overlay-container.ts

@@ -10,10 +10,7 @@ import { DOCUMENT } from '@angular/common';
 import {
   Inject,
   Injectable,
-  InjectionToken,
-  OnDestroy,
-  Optional,
-  SkipSelf,
+  OnDestroy
 } from '@angular/core';
 
 /** Container inside which all overlays will render. */

packages/overlay/overlay-module.ts

@@ -1,4 +1,4 @@
-import { NgModule, Provider } from '@angular/core';
+import { NgModule } from '@angular/core';
 import { PortalModule } from '@angular-mdc/web/portal';
 import { Overlay } from './overlay';
 

packages/overlay/overlay-ref.ts

@@ -10,7 +10,7 @@ import { ComponentPortal, Portal, PortalOutlet, TemplatePortal } from '@angular-
 import { ComponentRef, EmbeddedViewRef, NgZone } from '@angular/core';
 import { Location } from '@angular/common';
 import { Observable, Subject, merge, SubscriptionLike, Subscription, Observer } from 'rxjs';
-import { take, takeUntil } from 'rxjs/operators';
+import { takeUntil } from 'rxjs/operators';
 import { OverlayConfig } from './overlay-config';
 import { OverlayReference } from './overlay-reference';
 

packages/snackbar/snackbar-container.ts

@@ -16,7 +16,7 @@ import {
   ViewChild,
   ViewEncapsulation,
 } from '@angular/core';
-import { Observable, Subject } from 'rxjs';
+import { Subject } from 'rxjs';
 import { take } from 'rxjs/operators';
 import { MdcSnackbarConfig } from './snackbar-config';