Remove versions-maven-plugin configuration

This is now handled in the parent POM.

pom.xml

@@ -199,13 +199,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>versions-maven-plugin</artifactId>
-        <configuration>
-          <rulesUri>file://${openrs2.root}/version-rules.xml</rulesUri>
-        </configuration>
-      </plugin>
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>

version-rules.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ruleset xmlns="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0 https://www.mojohaus.org/versions-maven-plugin/xsd/rule-2.0.0.xsd" comparisonMethod="maven">
-  <ignoreVersions>
-    <ignoreVersion type="regex">(?i).*[._-](?:alpha|beta|rc|cr|m).*</ignoreVersion>
-  </ignoreVersions>
-</ruleset>