Enable IDE0005 (unneccessary using statements) as error

Due to a quirk in how `msbuild` runs rules, documentation generation
must be enabled for this rule (and presumably others) to be respected.

Author: andyleejordan

PowerShellEditorServices.Common.props

@@ -14,6 +14,8 @@
     <!-- See: https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/overview -->
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+    <!-- Required to enable IDE0005 as error -->
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <!-- TODO: Enable <AnalysisMode>All</AnalysisMode> -->
     <!-- See: https://docs.microsoft.com/en-us/dotnet/core/compatibility/sdk/6.0/implicit-namespaces -->
     <DisableImplicitNamespaceImports>true</DisableImplicitNamespaceImports>

src/PowerShellEditorServices/Hosting/EditorServicesServerFactory.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT License.
 
 using System;
-using System.Diagnostics;
 using System.IO;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
@@ -14,6 +13,7 @@
 using Microsoft.PowerShell.EditorServices.Services.Extension;
 
 #if DEBUG
+using System.Diagnostics;
 using Serilog.Debugging;
 #endif