style: remove empty comments (#23404)

PR Close #23404

packages/core/src/change_detection/change_detector_ref.ts

@@ -6,9 +6,6 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-/**
- *
- */
 export abstract class ChangeDetectorRef {
   /**
    * Marks a view and all of its ancestors dirty.

packages/core/src/change_detection/differs/default_iterable_differ.ts

@@ -557,9 +557,6 @@ export class DefaultIterableDiffer<V> implements IterableDiffer<V>, IterableChan
   }
 }
 
-/**
- *
- */
 export class IterableChangeRecord_<V> implements IterableChangeRecord<V> {
   currentIndex: number|null = null;
   previousIndex: number|null = null;

packages/core/src/change_detection/differs/default_keyvalue_differ.ts

@@ -259,10 +259,6 @@ export class DefaultKeyValueDiffer<K, V> implements KeyValueDiffer<K, V>, KeyVal
   }
 }
 
-
-/**
- *
- */
 class KeyValueChangeRecord_<K, V> implements KeyValueChangeRecord<K, V> {
   previousValue: V|null = null;
   currentValue: V|null = null;

packages/core/src/linker/component_factory.ts

@@ -64,9 +64,6 @@ export abstract class ComponentRef<C> {
   abstract onDestroy(callback: Function): void;
 }
 
-/**
- *
- */
 export abstract class ComponentFactory<C> {
   abstract get selector(): string;
   abstract get componentType(): Type<any>;

packages/core/src/linker/component_factory_resolver.ts

@@ -33,9 +33,6 @@ class _NullComponentFactoryResolver implements ComponentFactoryResolver {
   }
 }
 
-/**
- *
- */
 export abstract class ComponentFactoryResolver {
   static NULL: ComponentFactoryResolver = new _NullComponentFactoryResolver();
   abstract resolveComponentFactory<T>(component: Type<T>): ComponentFactory<T>;

packages/core/src/linker/view_ref.ts

@@ -9,10 +9,6 @@
 import {ApplicationRef} from '../application_ref';
 import {ChangeDetectorRef} from '../change_detection/change_detector_ref';
 
-
-/**
- *
- */
 export abstract class ViewRef extends ChangeDetectorRef {
   /**
    * Destroys the view and all of the data structures associated with it.

packages/core/src/version.ts

@@ -23,7 +23,4 @@ export class Version {
   }
 }
 
-/**
- *
- */
 export const VERSION = new Version('0.0.0-PLACEHOLDER');