remove duplicate dependency

Signed-off-by: olivier lamy <olamy@apache.org>

archiva-modules/archiva-base/archiva-maven2-indexer/pom.xml

@@ -192,11 +192,6 @@
       <groupId>org.apache.archiva</groupId>
       <artifactId>archiva-configuration</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.maven.indexer</groupId>
-      <artifactId>indexer-core</artifactId>
-      <classifier>shaded-lucene</classifier>
-    </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>