Revert "Lucene.Net.csproj: Added trailing whitespace to check editorconfig-checker error message"

This reverts commit c0a61cd.

Author: NightOwl888

src/Lucene.Net/Lucene.Net.csproj

@@ -19,7 +19,7 @@
  under the License.
 
 -->
-<Project Sdk="Microsoft.NET.Sdk"> 
+<Project Sdk="Microsoft.NET.Sdk">
 
   <Import Project="$(SolutionDir).build/nuget.props" />