Removal of ChannelManager where not in use.

Requests/UpdatePolicy.cs

@@ -1,5 +1,4 @@
 using HermesSocketServer.Models;
-using HermesSocketServer.Services;
 using ILogger = Serilog.ILogger;
 
 namespace HermesSocketServer.Requests
@@ -8,12 +7,10 @@ namespace HermesSocketServer.Requests
     {
         public string Name => "update_policy";
         public string[] RequiredKeys => ["id", "groupId", "path",  "count", "span"];
-        private ChannelManager _channels;
         private ILogger _logger;
 
-        public UpdatePolicy(ChannelManager channels, ILogger logger)
+        public UpdatePolicy(ILogger logger)
         {
-            _channels = channels;
             _logger = logger;
         }