Removed ShowOnlineHelp Message (#775)

Author: corbob

Diff for: src/PowerShellEditorServices.Protocol/LanguageServer/ShowHelpRequest.cs

@@ -9,14 +9,6 @@
 namespace Microsoft.PowerShell.EditorServices.Protocol.LanguageServer
 {
 
-    [Obsolete("This class is deprecated. Use ShowHelpRequest instead.")]
-    public class ShowOnlineHelpRequest
-    {
-        public static readonly
-            RequestType<string, object, object, object> Type =
-            RequestType<string, object, object, object>.Create("powerShell/showOnlineHelp");
-    }
-
     public class ShowHelpRequest
     {
         public static readonly

Diff for: src/PowerShellEditorServices.Protocol/Server/LanguageServer.cs

@@ -132,7 +132,6 @@ public void Start()
                 DocumentRangeFormattingRequest.Type,
                 this.HandleDocumentRangeFormattingRequest);
 
-            this.messageHandlers.SetRequestHandler(ShowOnlineHelpRequest.Type, this.HandleShowOnlineHelpRequest);
             this.messageHandlers.SetRequestHandler(ShowHelpRequest.Type, this.HandleShowHelpRequest);
 
             this.messageHandlers.SetRequestHandler(ExpandAliasRequest.Type, this.HandleExpandAliasRequest);
@@ -291,19 +290,6 @@ protected async Task HandleShowHelpRequest(
             await requestContext.SendResult(null);
         }
 
-        protected async Task HandleShowOnlineHelpRequest(
-            string helpParams,
-            RequestContext<object> requestContext
-        )
-        {
-            PSCommand commandDeprecated = new PSCommand()
-                .AddCommand("Microsoft.PowerShell.Utility\\Write-Verbose")
-                .AddParameter("Message", "'powerShell/showOnlineHelp' has been deprecated. Use 'powerShell/showHelp' instead.");
-
-            await editorSession.PowerShellContext.ExecuteCommand<PSObject>(commandDeprecated, sendOutputToHost: true);
-            await this.HandleShowHelpRequest(helpParams, requestContext);
-        }
-
         private async Task HandleSetPSSARulesRequest(
             object param,
             RequestContext<object> requestContext)