docs: remove all deprecated @stable jsdoc tags (#23210)

These are no longer needed as stable docs are computed as those that
do not have `@experimental` or `@deprecated` tags.

PR Close #23210

packages/common/src/directives/ng_class.ts

@@ -34,7 +34,7 @@ import {Directive, DoCheck, ElementRef, Input, IterableChanges, IterableDiffer,
  * - `Object` - keys are CSS classes that get added when the expression given in the value
  *              evaluates to a truthy value, otherwise they are removed.
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngClass]'})
 export class NgClass implements DoCheck {

packages/common/src/directives/ng_for_of.ts

@@ -9,7 +9,7 @@
 import {ChangeDetectorRef, Directive, DoCheck, EmbeddedViewRef, Input, IterableChangeRecord, IterableChanges, IterableDiffer, IterableDiffers, NgIterable, OnChanges, SimpleChanges, TemplateRef, TrackByFunction, ViewContainerRef, forwardRef, isDevMode} from '@angular/core';
 
 /**
- * @stable
+ *
  */
 export class NgForOfContext<T> {
   constructor(
@@ -93,7 +93,7 @@ export class NgForOfContext<T> {
  * See a [live demo](http://plnkr.co/edit/KVuXxDp0qinGDyo307QW?p=preview) for a more detailed
  * example.
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngFor][ngForOf]'})
 export class NgForOf<T> implements DoCheck, OnChanges {

packages/common/src/directives/ng_if.ts

@@ -96,7 +96,7 @@ import {Directive, EmbeddedViewRef, Input, TemplateRef, ViewContainerRef, ɵstri
  * <ng-template #elseBlock>...</ng-template>
  * ```
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngIf]'})
 export class NgIf {
@@ -159,7 +159,7 @@ export class NgIf {
 }
 
 /**
- * @stable
+ *
  */
 export class NgIfContext {
   public $implicit: any = null;

packages/common/src/directives/ng_style.ts

@@ -28,7 +28,7 @@ import {Directive, DoCheck, ElementRef, Input, KeyValueChanges, KeyValueDiffer,
  * - keys are style names with an optional `.<unit>` suffix (ie 'top.px', 'font-style.em'),
  * - values are the values assigned to those properties (expressed in the given unit).
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngStyle]'})
 export class NgStyle implements DoCheck {

packages/common/src/directives/ng_switch.ts

@@ -71,7 +71,7 @@ export class SwitchView {
  * When no matching expression is found on a `ngSwitchCase` view, the `ngSwitchDefault` view is
  * stamped out.
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngSwitch]'})
 export class NgSwitch {
@@ -147,7 +147,7 @@ export class NgSwitch {
  *
  * See {@link NgSwitch} for more details and example.
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngSwitchCase]'})
 export class NgSwitchCase implements DoCheck {
@@ -186,7 +186,7 @@ export class NgSwitchCase implements DoCheck {
  *
  * See {@link NgSwitch} for more details and example.
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngSwitchDefault]'})
 export class NgSwitchDefault {

packages/common/src/directives/ng_template_outlet.ts

@@ -30,7 +30,7 @@ import {Directive, EmbeddedViewRef, Input, OnChanges, SimpleChange, SimpleChange
  *
  * {@example common/ngTemplateOutlet/ts/module.ts region='NgTemplateOutlet'}
  *
- * @stable
+ *
  */
 @Directive({selector: '[ngTemplateOutlet]'})
 export class NgTemplateOutlet implements OnChanges {