Removed package reference for netstandard1_3

Author: johelvisguzman

src/DotNetToolkit.Repository.AdoNet/DotNetToolkit.Repository.AdoNet.csproj

@@ -30,10 +30,6 @@
     <Reference Include="System.ComponentModel.DataAnnotations" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
-    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
   </ItemGroup>