TIKA-4383: remove double entry

Author: THausherr

tika-parent/pom.xml

@@ -495,11 +495,6 @@
         <!-- can't update to 7.0.0: "class file has wrong version 61.0, should be 52.0" -->
         <version>6.4.1</version>
       </dependency>
-      <dependency>
-        <groupId>org.apache.zookeeper</groupId>
-        <artifactId>zookeeper</artifactId>
-        <version>${zookeeper.version}</version>
-      </dependency>
       <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>aws-java-sdk-s3</artifactId>