Remove duplicate property

Author: garydgregory

pom.xml

@@ -208,8 +208,6 @@
     <commons.osgi.symbolicName>org.apache.commons.cli</commons.osgi.symbolicName>
     <commons.jira.id>CLI</commons.jira.id>
     <commons.jira.pid>12310463</commons.jira.pid>
-    <!-- The RC version used in the staging repository URL. -->
-    <commons.rc.version>RC1</commons.rc.version>
     <commons.scmPubUrl>https://svn.apache.org/repos/infra/websites/production/commons/content/proper/commons-cli</commons.scmPubUrl>
     <commons.scmPubCheckoutDirectory>site-content</commons.scmPubCheckoutDirectory>
     <commons.encoding>utf-8</commons.encoding>