Converted the extensibility reference in the Rubberduck.Main project from using the MS Build Tools Program Files install to using the Microsoft.VisualStudio.Interop NuGet package (version 17.0.31723.112 - the oldest public version) to rely on packages versus installed tools.

Author: pflugs30

Rubberduck.Main/Rubberduck.Main.csproj

@@ -35,10 +35,6 @@
     <Content Include="Ducky.ico" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="extensibility">
-      <HintPath>$(MSBuildProgramFiles32)\Common Files\microsoft shared\MSEnv\PublicAssemblies\extensibility.dll</HintPath>
-      <EmbedInteropTypes>True</EmbedInteropTypes>
-    </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="System.Windows.Forms" />
@@ -74,6 +70,7 @@
     <PackageReference Include="EasyHook">
       <Version>2.7.6684</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.VisualStudio.Interop" Version="17.0.31723.112" />
     <PackageReference Include="NLog">
       <Version>4.5.10</Version>
     </PackageReference>