[dotnet] no longer need to send OSS element

Author: titusfortner

dotnet/src/webdriver/TargetLocator.cs

@@ -106,9 +106,7 @@ public IWebDriver Frame(IWebElement frameElement)
                 throw new ArgumentException("frameElement cannot be converted to IWebElementReference", nameof(frameElement));
             }
 
-            // TODO: Remove "ELEMENT" addition when all remote ends are spec-compliant.
             Dictionary<string, object> elementDictionary = elementReference.ToDictionary();
-            elementDictionary.Add("ELEMENT", elementReference.ObjectReferenceId);
 
             Dictionary<string, object> parameters = new Dictionary<string, object>();
             parameters.Add("id", elementDictionary);

dotnet/src/webdriver/WebDriver.cs

@@ -845,7 +845,6 @@ private static object ConvertObjectToJavaScriptObject(object arg)
             }
             else if (argAsObjectReference != null)
             {
-                // TODO: Remove "ELEMENT" addition when all remote ends are spec-compliant.
                 Dictionary<string, object> webDriverObjectReferenceDictionary = argAsObjectReference.ToDictionary();
                 converted = webDriverObjectReferenceDictionary;
             }