ScriptProcessorService: be less Java-8-happy

The PluginService already has a perfectly nice, succinct createInstances
method. No need to map over its createInstance method via streams.

Author: ctrueden

src/main/java/org/scijava/script/process/ScriptProcessorService.java

@@ -58,8 +58,8 @@ public interface ScriptProcessorService extends
 	 * line in sequence.
 	 */
 	default String process(final ScriptInfo info) throws IOException {
-		final List<ScriptProcessor> processors = getPlugins().stream().map(
-			p -> pluginService().createInstance(p)).collect(Collectors.toList());
+		final List<ScriptProcessor> processors = //
+			pluginService().createInstances(getPlugins());
 
 		BufferedReader reader = info.getReader();
 		if (reader == null) {