Remove unknown encoding parameter from Checkstyle plugin configuration

Author: wilkinsona

pom.xml

@@ -466,7 +466,6 @@
 							<suppressionsLocation>src/checkstyle/checkstyle-suppressions.xml</suppressionsLocation>
 							<headerLocation>src/checkstyle/checkstyle-header.txt</headerLocation>
 							<propertyExpansion>checkstyle.build.directory=${project.build.directory}</propertyExpansion>
-							<encoding>UTF-8</encoding>
 							<consoleOutput>true</consoleOutput>
 							<failsOnError>true</failsOnError>
 							<includeTestSourceDirectory>true</includeTestSourceDirectory>