chore(grid): apply review comments

Author: dkamburov

projects/igniteui-angular/src/lib/grids/columns/column.component.ts

@@ -430,42 +430,15 @@ export class IgxColumnComponent implements AfterContentInit, OnDestroy, ColumnTy
     @Output()
     public expandedChange = new EventEmitter<boolean>();
 
-    /**
-     * Emitted when the column property `collapsible` changes.
-     *
-     * ```html
-     * <igx-column (collapsibleChange)="collapsibleChange($event)">
-     * </igx-column>
-     * ```
-     *
-     * @memberof IgxColumnComponent
-     */
+    /** @hidden */
     @Output()
     public collapsibleChange = new EventEmitter<boolean>();
 
-    /**
-     * Emitted when the column property `visibleWhenCollapsed` changes.
-     *
-     * ```html
-     * <igx-column (visibleWhenCollapsedChange)="visibleWhenCollapsedChange($event)">
-     * </igx-column>
-     * ```
-     *
-     * @memberof IgxColumnComponent
-     */
+    /** @hidden */
     @Output()
     public visibleWhenCollapsedChange = new EventEmitter<boolean>();
 
-    /**
-     * Emitted when the column changed.
-     *
-     * ```html
-     * <igx-column (columnChange)="columnChange($event)">
-     * </igx-column>
-     * ```
-     *
-     * @memberof IgxColumnComponent
-     */
+    /** @hidden @internal */
     @Output()
     public columnChange = new EventEmitter<void>();
 

projects/igniteui-angular/src/lib/grids/filtering/excel-style/excel-style-filtering.component.ts

@@ -116,14 +116,7 @@ export class IgxGridExcelStyleFilteringComponent extends BaseFilteringComponent
     public sortingChanged = new EventEmitter();
 
     /**
-     * Emitted when the column changed.
-     *
-     * ```html
-     * <igx-grid-excel-style-filtering (columnChange)="columnChange($event)">
-     * </igx-grid-excel-style-filtering>
-     * ```
-     *
-     * @memberof IgxGridExcelStyleFilteringComponent
+     * @hidden @internal
      */
     @Output()
     public columnChange = new EventEmitter<ColumnType>();

projects/igniteui-angular/src/lib/grids/hierarchical-grid/row-island.component.ts

@@ -184,16 +184,7 @@ export class IgxRowIslandComponent extends IgxHierarchicalGridBaseDirective
     protected override actionStripComponents: QueryList<IgxActionStripToken>;
 
     /**
-     * Event emitted when a layout of the row island is changed.
-     * ```html
-     * <igx-hierarchical-grid [data]="Data" [autoGenerate]="true">
-     *      <igx-row-island [key]="'childData'" (layoutChange)="layoutChange($event)" #rowIsland>
-     *          <!-- ... -->
-     *      </igx-row-island>
-     * </igx-hierarchical-grid>
-     * ```
-     *
-     * @memberof IgxRowIslandComponent
+     * @hidden
      */
     @Output()
     public layoutChange = new EventEmitter<any>();