Update .checkstyle

Author: tortmayr

codestyle/eclipse/.checkstyle

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <local-check-config name="EMF.cloud Checkstyle" location="https://raw.githubusercontent.com/eclipse-emfcloud/emfcloud/tortmayr/issues/19/codestyle/org.eclipse.emfcloud.checkstyle/src/main/resources/emfcloud-checkstyle.xml" type="remote" description="The central checkstyle configuration for emfcloud">
+  <local-check-config name="EMF.cloud Checkstyle" location="https://raw.githubusercontent.com/eclipse-emfcloud/emfcloud/master/codestyle/org.eclipse.emfcloud.checkstyle/src/main/resources/emfcloud-checkstyle.xml" type="remote" description="The central checkstyle configuration for emfcloud">
     <additional-data name="cache-props-file-location" value="EMFcloud Checkstyle_1618908540765_cache.properties"/>
     <additional-data name="cache-file" value="true"/>
     <additional-data name="cache-file-location" value="EMFcloud Checkstyle_1618908540765_cache.xml"/>