De-dup; the test-jar is created by the CP release profile

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1744099 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

pom.xml

@@ -261,18 +261,6 @@ limitations under the License.
           </excludes>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-jar-plugin</artifactId>
-        <version>2.6</version>
-        <executions>
-          <execution>
-            <goals>
-              <goal>test-jar</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>