[pom] Rework checkstyle override to use parent override logic

Author: hazendaz

pom.xml

@@ -36,12 +36,19 @@
     <junit.jupiter.version>5.7.2</junit.jupiter.version>
     <junit.platform.version>1.7.2</junit.platform.version>
     <spring.batch.version>4.3.3</spring.batch.version>
+
+    <checkstyle.config>checkstyle-override.xml</checkstyle.config>
+
     <clirr.comparisonVersion>1.2.0</clirr.comparisonVersion>
+
     <module.name>org.mybatis.dynamic.sql</module.name>
+
     <kotlin.version>1.5.0</kotlin.version>
     <kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
+
     <sonar.sources>pom.xml,src/main/java,src/main/kotlin</sonar.sources>
     <sonar.tests>src/test/java,src/test/kotlin</sonar.tests>
+
     <kotlin.code.style>official</kotlin.code.style>
     <test.containers.version>1.15.3</test.containers.version>
     <osgi.export>org.mybatis.dynamic.sql.*;version=${project.version};-noimport:=true</osgi.export>
@@ -188,18 +195,6 @@
     </plugins>
   </build>
 
-  <reporting>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-checkstyle-plugin</artifactId>
-        <configuration>
-          <configLocation>checkstyle-override.xml</configLocation>
-        </configuration>
-      </plugin>
-    </plugins>
-  </reporting>
-
   <dependencies>
     <dependency>
       <groupId>org.jetbrains.kotlin</groupId>