remove unused plugins
diff --git a/pom.xml b/pom.xml
index 7d624d9..9571c95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -499,36 +499,6 @@
     </dependency>
   </dependencies>
 
-  <build>
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.apache.rat</groupId>
-          <artifactId>apache-rat-plugin</artifactId>
-          <configuration>
-            <excludes combine.children="append">
-              <exclude>dependency-reduced-pom.xml</exclude>
-            </excludes>
-          </configuration>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-    <plugins>
-      <plugin>
-        <groupId>org.codehaus.plexus</groupId>
-        <artifactId>plexus-component-metadata</artifactId>
-        <executions>
-          <execution>
-            <goals>
-              <goal>generate-metadata</goal>
-              <!--goal>generate-test-metadata</goal-->
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-
   <profiles>
     <profile>
       <id>run-its</id>