Update ClosedXML.Examples.csproj

Author: seeste

ClosedXML.Examples/ClosedXML.Examples.csproj

@@ -17,7 +17,6 @@
 
 	<ItemGroup>
 		<ProjectReference Include="..\ClosedXML\ClosedXML.csproj" />
-		<PackageReference Include="DocumentFormat.OpenXml" Version="2.17.1" />
 		<PackageReference Include="morelinq" Version="3.3.2" />
 		<PackageReference Include="SonarAnalyzer.CSharp" Version="8.38.0.46746">
 		  <PrivateAssets>all</PrivateAssets>