fix refs/externs

Author: mgravell

tests/StackExchange.Redis.Tests/GlobalUsings.cs

@@ -1,5 +1,4 @@
-extern alias respite;
-using System;
+using System;
 using System.IO;
 using System.IO.Pipelines;
 using System.Net;

tests/StackExchange.Redis.Tests/InProcessTestServer.cs

@@ -36,7 +36,7 @@
     <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="all" />
     <PackageReference Include="System.IO.Compression" />
     <PackageReference Include="System.IO.Pipelines" />
-    <ProjectReference Include="..\..\src\RESPite\RESPite.csproj" Aliases="respite"/>
+    <ProjectReference Include="..\..\src\RESPite\RESPite.csproj" />
     <ProjectReference Include="..\RESPite.Tests\RESPite.Tests.csproj" />
   </ItemGroup>
 </Project>

tests/StackExchange.Redis.Tests/StackExchange.Redis.Tests.csproj

@@ -12,9 +12,8 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\src\StackExchange.Redis\StackExchange.Redis.csproj" Aliases="seredis"/>
+    <ProjectReference Include="..\..\src\StackExchange.Redis\StackExchange.Redis.csproj" />
     <ProjectReference Include="..\..\src\RESPite\RESPite.csproj" />
     <PackageReference Include="System.Runtime.Caching" />
-    <ProjectReference Include="..\..\eng\StackExchange.Redis.Build\StackExchange.Redis.Build.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
   </ItemGroup>
 </Project>