Removed obsolete request method with jtoken param

src/IO.Ably.Shared/AblyRest.cs

@@ -308,23 +308,6 @@ internal async Task<HttpPaginatedResponse> HttpPaginatedRequestInternal(Paginate
             return await ExecuteHttpPaginatedRequest(request, requestParams, HttpPaginatedRequestInternal);
         }
 
-        /// <summary>
-        /// Make a generic HTTP request against an endpoint representing a collection
-        /// of some type; this is to provide a forward compatibility path for new APIs.
-        /// </summary>
-        /// <param name="method">http method.</param>
-        /// <param name="path">the path component of the resource URI.</param>
-        /// <param name="requestParams">(optional; may be null): any parameters to send with the request; see API-specific documentation.</param>
-        /// <param name="body">(optional; may be null): an instance of RequestBody. It will be sent as a json object.</param>
-        /// <param name="headers">(optional; may be null): any additional headers to send; see API-specific documentation.</param>
-        /// <returns>a page of results.</returns>
-        [Obsolete("Use Request method with json string request body instead")]
-        public async Task<HttpPaginatedResponse> Request(string method, string path, Dictionary<string, string> requestParams = null, JToken body = null, Dictionary<string, string> headers = null)
-        {
-            var httpMethod = new HttpMethod(method);
-            return await Request(httpMethod, path, requestParams, body, headers);
-        }
-
         /// <summary>
         /// Make a generic HTTP request against an endpoint representing a collection
         /// of some type; this is to provide a forward compatibility path for new APIs.
@@ -338,7 +321,13 @@ public async Task<HttpPaginatedResponse> Request(string method, string path, Dic
         public async Task<HttpPaginatedResponse> Request(string method, string path, Dictionary<string, string> requestParams = null, string body = null, Dictionary<string, string> headers = null)
         {
             var httpMethod = new HttpMethod(method);
-            return await Request(httpMethod, path, requestParams, JToken.Parse(body), headers);
+            JToken requestBody = null;
+            if (body != null)
+            {
+                requestBody = JToken.Parse(body);
+            }
+
+            return await Request(httpMethod, path, requestParams, requestBody, headers);
         }
 
         /// <summary>