RED-3687 - removed on detach

apps/red-ui/src/app/utils/context.component.ts

@@ -14,8 +14,4 @@ export class ContextComponent<C> implements OnDetach {
     protected _mapKeysToObs<T>(keys: string[], observables: Observable<any>[]): T {
         return keys.reduce((acc, key, index) => ({ ...acc, [key]: observables[index] }), {} as T);
     }
-
-    ngOnDetach() {
-        this.componentContext$ = null;
-    }
 }