build/NuGet.props: Added exclusion so lucene icon doesn't show up in every project.
build/NuGet.props: Added exclusion so lucene icon doesn't show up in every project.

NightOwl888/lucenenet,sisve/lucenenet,NightOwl888/lucenenet,apache/lucenenet,apache/lucenenet,jeme/lucenenet,sisve/lucenenet,apache/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,apache/lucenenet,jeme/lucenenet