remove antrun bits from pom

jetty-setuid/libsetuid-linux/pom.xml

@@ -39,27 +39,6 @@
           </execution>
         </executions>
       </plugin>
-
-      <plugin>
-        <artifactId>maven-antrun-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>copy-jni-implementation</id>
-            <phase>generate-sources</phase>
-            <goals>
-              <goal>run</goal>
-            </goals>
-            <configuration>
-              <tasks>
-                <copy failonerror="false"
-                  file="${native-source-dir}/org_eclipse_jetty_setuid_SetUID.c"
-                  todir="target/generated" />
-
-              </tasks>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>native-maven-plugin</artifactId>