Removing obsolete use of IE vendor implementation in .NET bindings

Author: jimevans

dotnet/src/webdriver/IE/InternetExplorerDriverEngine.cs

@@ -32,7 +32,6 @@ public sealed class InternetExplorerDriverService : DriverService
         private static readonly Uri InternetExplorerDriverDownloadUrl = new Uri("http://selenium-release.storage.googleapis.com/index.html");
 
         private InternetExplorerDriverLogLevel loggingLevel = InternetExplorerDriverLogLevel.Fatal;
-        private InternetExplorerDriverEngine engineImplementation = InternetExplorerDriverEngine.Legacy;
         private string host = string.Empty;
         private string logFile = string.Empty;
         private string libraryExtractionPath = string.Empty;
@@ -76,16 +75,6 @@ public InternetExplorerDriverLogLevel LoggingLevel
             set { this.loggingLevel = value; }
         }
 
-        /// <summary>
-        /// Gets or sets the implementation to be used by the IEDriverServer.
-        /// </summary>
-        [Obsolete("Vendor implementation is no longer valid, making this property unnecessary. This property will be removed in a future release.")]
-        public InternetExplorerDriverEngine Implementation
-        {
-            get { return this.engineImplementation; }
-            set { this.engineImplementation = value; }
-        }
-
         /// <summary>
         /// Gets or sets the path to which the supporting library of the IEDriverServer.exe is extracted.
         /// Defaults to the temp directory if this property is not set.
@@ -140,11 +129,6 @@ protected override string CommandLineArguments
                     argsBuilder.Append(string.Format(CultureInfo.InvariantCulture, " -log-level={0}", this.loggingLevel.ToString().ToUpperInvariant()));
                 }
 
-                if (this.engineImplementation != InternetExplorerDriverEngine.Legacy)
-                {
-                    argsBuilder.Append(string.Format(CultureInfo.InvariantCulture, " -implementation={0}", this.engineImplementation.ToString().ToUpperInvariant()));
-                }
-
                 if (!string.IsNullOrEmpty(this.whitelistedIpAddresses))
                 {
                     argsBuilder.Append(string.Format(CultureInfo.InvariantCulture, " -whitelisted-ips={0}", this.whitelistedIpAddresses));

dotnet/src/webdriver/IE/InternetExplorerDriverService.cs

@@ -96,7 +96,6 @@
     <Compile Include="Html5\IWebStorage.cs" />
     <Compile Include="Html5\Location.cs" />
     <Compile Include="IAllowsFileDetection.cs" />
-    <Compile Include="IE\InternetExplorerDriverEngine.cs" />
     <Compile Include="IFileDetector.cs" />
     <Compile Include="Html5\IHasLocationContext.cs" />
     <Compile Include="ILogs.cs" />