refactor(stalker): drop unused limit state from selection feature

The `limit` field and `setLimit` method lost their last consumers when
catalog pagination was replaced by infinite scroll (#1392/#1395): the
facade no longer calls setLimit and getTotalPages is gone.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

libs/portal/stalker/data-access/src/lib/stalker.store.compat.spec.ts

@@ -81,7 +81,6 @@ describe('StalkerStore API compatibility smoke', () => {
             'selectedVodId',
             'selectedSerialId',
             'selectedItvId',
-            'limit',
             'page',
             'searchPhrase',
             'currentPlaylist',
@@ -133,7 +132,6 @@ describe('StalkerStore API compatibility smoke', () => {
             'setSelectedSerialId',
             'setSelectedVodId',
             'setSelectedItvId',
-            'setLimit',
             'setPage',
             'setCurrentPlaylist',
             'setSelectedItem',

libs/portal/stalker/data-access/src/lib/stores/features/with-stalker-content.feature.spec.ts

@@ -36,7 +36,6 @@ const TestContentStore = signalStore(
         selectedCategoryId: undefined as string | null | undefined,
         searchPhrase: '',
         page: 0,
-        limit: 14,
     }),
     withMethods((store) => ({
         setCurrentPlaylist(playlist: PlaylistMeta | undefined) {

libs/portal/stalker/data-access/src/lib/stores/features/with-stalker-selection.feature.ts

@@ -22,7 +22,6 @@ export interface StalkerSelectionState {
     selectedVodId: string | undefined;
     selectedSerialId: string | undefined;
     selectedItvId: string | undefined;
-    limit: number;
     page: number;
     searchPhrase: string;
     selectedItem: StalkerVodSource | null | undefined;
@@ -34,7 +33,6 @@ const initialSelectionState: StalkerSelectionState = {
     selectedVodId: undefined,
     selectedSerialId: undefined,
     selectedItvId: undefined,
-    limit: 14,
     page: 0,
     searchPhrase: '',
     selectedItem: undefined,
@@ -80,13 +78,6 @@ export function withStalkerSelection() {
             setSelectedItvId(id: string) {
                 patchState(store, { selectedItvId: id });
             },
-            setLimit(limit: number) {
-                if (store.limit() === limit) {
-                    return;
-                }
-
-                patchState(store, { limit });
-            },
             setPage(page: number) {
                 if (store.page() === page) {
                     return;

libs/portal/stalker/data-access/src/lib/stores/stalker-store.contracts.ts

@@ -27,7 +27,6 @@ export interface StalkerSelectionStoreContract {
     selectedVodId(): string | undefined;
     selectedSerialId(): string | undefined;
     selectedItvId(): string | undefined;
-    limit(): number;
     page(): number;
     searchPhrase(): string;
     selectedItem(): StalkerVodSource | null | undefined;