chore: remove store_checker dependency

Breaking the ability to build release apks.

Checking with the in_app_purchase plugin instead.

lib/purchases/cubit/purchases_cubit.dart

@@ -5,7 +5,6 @@ import 'package:equatable/equatable.dart';
 import 'package:flutter/foundation.dart';
 import 'package:in_app_purchase/in_app_purchase.dart';
 import 'package:in_app_purchase_android/in_app_purchase_android.dart';
-import 'package:store_checker/store_checker.dart';
 
 import '../../logs/logs.dart';
 import '../../platform/platform.dart';
@@ -83,11 +82,7 @@ class PurchasesCubit extends Cubit<PurchasesState> {
   static Future<bool> _installedFromPlayStore() async {
     if (kDebugMode) return true;
 
-    final Source installationSource = await StoreChecker.getSource;
-
-    return (installationSource == Source.IS_INSTALLED_FROM_PLAY_STORE)
-        ? true
-        : false;
+    return await InAppPurchase.instance.isAvailable();
   }
 
   Future<void> _initStoreInfo() async {

pubspec.lock

@@ -1057,14 +1057,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
-  store_checker:
-    dependency: "direct main"
-    description:
-      name: store_checker
-      sha256: "9e5841e4f922cc7f0283323ff3c78fd31ace14c22e988525d33355c35d7c815a"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.6.0"
   stream_channel:
     dependency: transitive
     description:

pubspec.yaml

@@ -41,7 +41,6 @@ dependencies:
   package_info_plus: ^8.0.0
   path_provider: ^2.0.10
   pub_semver: ^2.0.0
-  store_checker: ^1.0.0
   super_context_menu: ^0.8.17
   url_launcher: ^6.0.20
   uuid: ^4.4.2