runbuild.ps1 - removed ExcludeTestCategoriesNetCore parameter and set default to null (run everything)
runbuild.ps1 - removed ExcludeTestCategoriesNetCore parameter and set default to null (run everything)

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