chore: use Directory.Packages.props

Author: Meir017

src/Directory.Packages.props

@@ -3,7 +3,6 @@
       <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     </PropertyGroup>
     <ItemGroup>
-
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.1" />
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.3.1" />
         <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.3.1" />