Remove duplicate 'lib.download.sha' entries in build-resolver.xml
Remove duplicate 'lib.download.sha' entries in build-resolver.xml

 patch by Mick Semb Wever; reviewed by Zhao Yang for CASSANDRA-16897

belliottsmith/cassandra,mshuler/cassandra,thelastpickle/cassandra,blambov/cassandra,mshuler/cassandra,mike-tr-adamson/cassandra,belliottsmith/cassandra,pauloricardomg/cassandra,blambov/cassandra,adelapena/cassandra,scylladb/scylla-tools-java,tjake/cassandra,tjake/cassandra,jrwest/cassandra,instaclustr/cassandra,instaclustr/cassandra,belliottsmith/cassandra,jrwest/cassandra,adelapena/cassandra,pauloricardomg/cassandra,mshuler/cassandra,tjake/cassandra,scylladb/scylla-tools-java,tjake/cassandra,thelastpickle/cassandra,jrwest/cassandra,thelastpickle/cassandra,apache/cassandra,thelastpickle/cassandra,pauloricardomg/cassandra,instaclustr/cassandra,driftx/cassandra,mike-tr-adamson/cassandra,scylladb/scylla-tools-java,driftx/cassandra,scylladb/scylla-tools-java,adelapena/cassandra,apache/cassandra,driftx/cassandra,driftx/cassandra,apache/cassandra,jrwest/cassandra,instaclustr/cassandra,apache/cassandra,belliottsmith/cassandra,pauloricardomg/cassandra,mike-tr-adamson/cassandra,mshuler/cassandra,blambov/cassandra,adelapena/cassandra,blambov/cassandra,mike-tr-adamson/cassandra