[BUGFIX] Always restart solr and don't copy the default cores

providers/app.rb

@@ -83,14 +83,13 @@ action :add do
 		code <<-EOF
 			cd #{node['typo3_solr']['solr']['solr_home']};
 			rm -rf server/solr/configsets/ && cp -a #{Chef::Config['file_cache_path']}/ext-solr/Resources/Private/Solr/configsets server/solr/configsets/;
-			cp -a #{Chef::Config['file_cache_path']}/ext-solr/Resources/Private/Solr/cores server/solr/;
 			cp -a #{Chef::Config['file_cache_path']}/ext-solr/Resources/Private/Solr/solr.xml server/solr/;
 			chown solr:root -R #{node['typo3_solr']['solr']['solr_home']};
 		EOF
 	end
 
 	# start solr
-	execute 'systemctl start solr'
+	execute 'systemctl restart solr'
 
 	# Setup Tika server
 	directory node['typo3_solr']['solr']['tika_home'] do