Remove Plaster integration

The project is dormant an longer shipped/signed by Microsoft.

Author: andyleejordan

.pipelines/PowerShellEditorServices-Official.yml

@@ -111,7 +111,6 @@ extends:
                 **/*.psm1;
                 **/*.ps1xml;
                 **/Microsoft.PowerShell.EditorServices*.dll;
-                !Plaster/**;
           - task: onebranch.pipeline.signing@1
             displayName: Sign 3rd-party files
             inputs:
@@ -125,9 +124,6 @@ extends:
                 **/OmniSharp.Extensions*.dll;
                 **/Serilog*.dll;
                 **/System.Reactive.dll;
-                Plaster/**/*.ps1;
-                Plaster/**/*.psd1;
-                Plaster/**/*.psm1;
     - stage: release
       dependsOn: build
       variables:

modules.json

@@ -3,10 +3,6 @@
         "Version": "1.22.0",
         "AllowPrerelease": false
     },
-    "Plaster": {
-        "Version": "1.1.3",
-        "AllowPrerelease": false
-    },
     "PSReadLine": {
         "Version": "2.4.0-beta0",
         "AllowPrerelease": true

src/PowerShellEditorServices/Server/PsesLanguageServer.cs

@@ -11,7 +11,6 @@
 using Microsoft.PowerShell.EditorServices.Services;
 using Microsoft.PowerShell.EditorServices.Services.Extension;
 using Microsoft.PowerShell.EditorServices.Services.PowerShell.Host;
-using Microsoft.PowerShell.EditorServices.Services.Template;
 using Newtonsoft.Json.Linq;
 using OmniSharp.Extensions.JsonRpc;
 using OmniSharp.Extensions.LanguageServer.Protocol.Server;
@@ -112,7 +111,6 @@ public async Task StartAsync()
                     .WithHandler<PsesHoverHandler>()
                     .WithHandler<PsesSignatureHelpHandler>()
                     .WithHandler<PsesDefinitionHandler>()
-                    .WithHandler<TemplateHandlers>()
                     .WithHandler<GetCommentHelpHandler>()
                     .WithHandler<EvaluateHandler>()
                     .WithHandler<GetCommandHandler>()

src/PowerShellEditorServices/Server/PsesServiceCollectionExtensions.cs

@@ -10,7 +10,6 @@
 using Microsoft.PowerShell.EditorServices.Services.PowerShell.Debugging;
 using Microsoft.PowerShell.EditorServices.Services.PowerShell.Host;
 using Microsoft.PowerShell.EditorServices.Services.PowerShell.Runspace;
-using Microsoft.PowerShell.EditorServices.Services.Template;
 using OmniSharp.Extensions.LanguageServer.Protocol.Server;
 
 namespace Microsoft.PowerShell.EditorServices.Server
@@ -34,7 +33,6 @@ public static IServiceCollection AddPsesLanguageServices(
                 .AddSingleton<ConfigurationService>()
                 .AddSingleton<IPowerShellDebugContext>(
                     (provider) => provider.GetService<PsesInternalHost>().DebugContext)
-                .AddSingleton<TemplateService>()
                 .AddSingleton<EditorOperationsService>()
                 .AddSingleton<RemoteFileManagerService>()
                 .AddSingleton((provider) =>