rework oembed, because he didn`t work as well

Startup.cs

@@ -1,52 +1,22 @@
-using Microsoft.Extensions.Options;
-using HeyRed.OEmbed;
-using HeyRed.OEmbed.Providers;
-
+
 namespace yaflay.ru
 {
     public class Startup
     {
         private readonly IConfiguration configuration;
-        private readonly OEmbedOptions options;
         public Startup()
         {
             configuration = new ConfigurationBuilder()
                 .AddEnvironmentVariables(prefix: "m.")
                 .AddJsonFile("appsettings.json", optional: true)
                 .Build();
-            options = new OEmbedOptions()
-            {
-                EnableCache = true
-            };
+            
         }
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddControllers();
             services.AddRouting();
             services.AddRazorPages();
-            services.AddOEmbed(options =>
-            {
-                options.EnableCache = true; // true by default
-                options.EnsureNotNull();
-            })
-                .ClearProviders()
-                .AddProvider<YoutubeProvider>()
-                .AddProvider<YandexMusicProvider>()
-                .AddProvider<FlickrProvider>()
-                .AddProvider<TwitterProvider>(options =>
-                {
-                    options.Parameters = new Dictionary<string, string?>
-                    {
-                        ["theme"] = "dark"
-                    };
-                })
-                .AddProvider<FacebookProvider>(options =>
-                {
-                    options.Parameters = new Dictionary<string, string?>
-                    {
-                        ["access_token"] = "app_id|token"
-                    };
-                });
             services.AddMvc()
                 .AddRazorPagesOptions(options =>
                 {