[xml] Remove exclusion of MissingOverride from pmd-xml dogfood

pmd-xml/pmd-xml-ruleset.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0"?>
-<ruleset name="dogfood-without-missing-override" 
-    xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
-    <description>Rules to check PMD itself.</description>
-
-    <rule ref="net/sourceforge/pmd/pmd-dogfood-config.xml">
-        <!-- Disable rule MissingOverride, see https://github.com/pmd/pmd/issues/1074 -->
-        <exclude name="MissingOverride"/>
-    </rule>
-
-</ruleset>

pmd-xml/pom.xml

@@ -27,17 +27,6 @@
                     </delimiters>
                 </configuration>
             </plugin>
-
-            <!-- Disable rule MissingOverride, see https://github.com/pmd/pmd/issues/1074 -->
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-pmd-plugin</artifactId>
-                <configuration>
-                    <rulesets>
-                        <ruleset>pmd-xml-ruleset.xml</ruleset>
-                    </rulesets>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
     <dependencies>