[cm] ability to ban user for an arbitrary period

Core/CommonHandler.cs

@@ -35,21 +35,8 @@ namespace Kruzya.TelegramBot.Core
             return RepliedUser != null && await Bot.CanPunishMember(Chat, From, RepliedUser);
         }
         
-        #region Bans
-        protected async Task BanMember(User user, DateTime? banEnd = null, bool sendMessage = true)
-        {
-            await BanMember(user.Id, banEnd);
-
-            if (sendMessage)
-            {
-                await Bot.SendTextMessageAsync(
-                    Chat.Id, 
-                    $"{From.ToHtml()} <code>заблокировал</code> {user.ToHtml()} <code>на 7 дней</code>",
-                    disableNotification: true, parseMode: ParseMode.Html);
-            }
-        }
-        
-        protected async Task BanMember(long userId, DateTime? banEnd = null)
+       
+        protected async Task BanMember(long userId, DateTime banEnd)
         {
             await Bot.RestrictChatMemberAsync(
                                 Chat.Id,
@@ -58,10 +45,9 @@ namespace Kruzya.TelegramBot.Core
                                 {
                                     CanSendMessages = false
                                 },
-                                banEnd ?? DateTime.Now.AddDays(7)
+                                banEnd
                                 );
         }
-        #endregion
         
         protected async Task<BotUserValue> GetWarnOption(User user)
         {