Update SetProxy

CryptoExchange.Net/ExtensionMethods.cs

@@ -1,12 +1,10 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Security;
 using System.Text;
-using System.Text.RegularExpressions;
 using System.Web;
 using CryptoExchange.Net.Logging;
 using CryptoExchange.Net.Objects;
@@ -492,23 +490,6 @@ namespace CryptoExchange.Net
 
             return ub.Uri;
         }
-
-        /// <summary>
-        /// checks whether schema is provided
-        /// </summary>
-        /// <param name="proxy"></param>
-        /// <returns></returns>
-        public static bool IsSchemaProvided(this ApiProxy proxy)
-        {
-            var url = $"{proxy.Host}:{proxy.Port}";
-            var r = new Regex(@"^(?<proto>\w+)://[^/]+?(?<port>:\d+)?",
-                RegexOptions.None, TimeSpan.FromMilliseconds(150));
-            var match = r.Match(url);
-            if (!match.Success) return false;
-            var proto = match.Result("${proto}");
-            return !string.IsNullOrEmpty(proto);
-        }
-
     }
 }