chore(lint): unsed vars and args error

Author: kdinev

.eslintrc.json

@@ -26,7 +26,7 @@
         ],
         "no-unused-vars": "off",
         "@typescript-eslint/no-unused-vars": [
-          "warn",
+          "error",
           {
             "varsIgnorePattern": "_",
             "argsIgnorePattern": "^_"

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

@@ -1090,7 +1090,7 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti
         }
     }
 
-    protected onColumnsChanged(change: QueryList<IgxColumnComponent>) {
+    protected onColumnsChanged() {
         Promise.resolve().then(() => {
             this.updateColumnList();
         });

projects/igniteui-angular/src/lib/grids/resizing/pivot-grid/pivot-resizing.service.ts

@@ -41,5 +41,5 @@ export class IgxPivotColumnResizingService extends IgxColumnResizingService {
         this.rowHeaderGroup.grid.resizeRowDimensionPixels(rowDim, newWidth);
     }
 
-    protected _handlePercentageResize(diff: number, column: ColumnType) { }
+    protected _handlePercentageResize() { }
 }

projects/igniteui-angular/src/lib/grids/state.directive.ts

@@ -421,7 +421,7 @@ export class IgxGridStateDirective {
                     return;
                 }
                 context.restoreValues(config, context.currGrid as IgxPivotGridComponent);
-                context.restoreDimensions(config, context.currGrid as IgxPivotGridComponent);
+                context.restoreDimensions(config);
                 (context.currGrid as IgxPivotGridComponent).pivotConfiguration = config;
             },
 
@@ -578,7 +578,7 @@ export class IgxGridStateDirective {
      * This method restores complex objects in the pivot dimensions
      * Like the IgxPivotDateDimension and filters.
      */
-    private restoreDimensions(config: IPivotConfiguration, grid: IgxPivotGridComponent) {
+    private restoreDimensions(config: IPivotConfiguration) {
         const collections = [config.rows, config.columns, config.filters];
         for (const collection of collections) {
             for (let index = 0; index < collection?.length; index++) {