Fix checkstyle.xml for Windows new line

Author: artembilan

spring-integration-kafka/src/checkstyle/checkstyle.xml

@@ -13,9 +13,7 @@
 		<property name="headerFile" value="src/checkstyle/checkstyle-header.txt"/>
 		<property name="fileExtensions" value="java"/>
 	</module>
-	<module name="NewlineAtEndOfFile">
-		<property name="lineSeparator" value="lf"/>
-	</module>
+	<module name="NewlineAtEndOfFile"/>
 
 	<!-- TreeWalker Checks -->
 	<module name="TreeWalker">