[1.x] fix: remove GOOGLE_APPLICATION_CREDENTIALS env (#435)

Author: imdhemy

config/liap.php

@@ -32,17 +32,6 @@
      */
     'google_play_package_name' => env('GOOGLE_PLAY_PACKAGE_NAME', 'com.some.thing'),
 
-    /*
-     |--------------------------------------------------------------------------
-     | Google Application Credentials
-     |--------------------------------------------------------------------------
-     |
-     | This value is the path to the Google Application Credentials file.
-     | @see https://imdhemy.com/laravel-iap-docs/docs/credentials/google-play
-     |
-     */
-    'google_application_credentials' => base_path((string)env('GOOGLE_APPLICATION_CREDENTIALS')),
-
     /*
      |--------------------------------------------------------------------------
      | App Store Password

src/ServiceProviders/LiapServiceProvider.php

@@ -112,12 +112,6 @@ public function register(): void
     private function registerConfig(): void
     {
         $this->mergeConfigFrom(self::CONFIG_PATH, self::CONFIG_KEY);
-
-        $googleApplicationCredentials = (string)config('liap.google_application_credentials');
-
-        if (! empty($googleApplicationCredentials) && file_exists($googleApplicationCredentials)) {
-            putenv("GOOGLE_APPLICATION_CREDENTIALS=$googleApplicationCredentials");
-        }
     }
 
     /**