No need to set BOTH the checkstyle.header.file property AND the headerLocation configuration for Checkstyle license header.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1635149 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -159,7 +159,6 @@ CSV files of various types.
         <configuration>
           <configLocation>${basedir}/checkstyle.xml</configLocation>
           <enableRulesSummary>false</enableRulesSummary>
-          <headerLocation>${checkstyle.header.file}</headerLocation>
         </configuration>
       </plugin>
 
@@ -199,7 +198,6 @@ CSV files of various types.
         <configuration>
           <configLocation>${basedir}/checkstyle.xml</configLocation>
           <enableRulesSummary>false</enableRulesSummary>
-          <headerLocation>${checkstyle.header.file}</headerLocation>
         </configuration>
         <!-- We need to specify reportSets because 2.9.1 creates two reports -->
         <reportSets>