Fix IE config name

Author: rosolko

WebDriverManager/DriverConfigs/Impl/IECOnfig.cs renamed to WebDriverManager/DriverConfigs/Impl/IEConfig.cs

@@ -69,9 +69,6 @@
   <ItemGroup>
     <Content Include="packages.config" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="DriverConfigs\Impl" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.