Remove . from default classpath for cli launcher

Since "." is already on the search path for config files, it is
not obviously necessary to add "." to the classpath as well.

spring-cloud-launcher/spring-cloud-launcher-cli/src/main/java/org/springframework/cloud/launcher/cli/LauncherCommand.java

@@ -166,11 +166,6 @@ public class LauncherCommand extends OptionParsingCommand {
 			repositoryConfiguration.add(0, new RepositoryConfiguration("local",
 					new File("repository").toURI(), true));
 
-			String[] classpaths = { "." };
-			for (String classpath : classpaths) {
-				loader.addClasspath(classpath);
-			}
-
 			if (options.has(debugOption)) {
 				System.setProperty("groovy.grape.report.downloads", "true");
 			}

spring-cloud-launcher/spring-cloud-launcher-cli/src/test/resources/cloud-test.yml

@@ -1,3 +1,4 @@
+debug: true
 spring:
   cloud:
     launcher: