Removed redundant code

Author: technige

driver/src/main/java/org/neo4j/driver/internal/InternalResultCursor.java

@@ -463,7 +463,6 @@ else if ( position == 0 || ( position == -1 && next() ) )
     public ResultSummary summarize()
     {
         while ( next() ) ;
-        discard();
         return summary;
     }
 
@@ -501,7 +500,6 @@ private void discard()
         while ( !done )
         {
             receiveOne();
-            recordBuffer.clear();
         }
     }
 

driver/src/test/java/org/neo4j/driver/v1/integration/ConnectionPoolIT.java

@@ -109,6 +109,7 @@ public void run()
                     }
                     catch ( ClientException | DatabaseException e )
                     {
+                        e.printStackTrace(System.err);
                         lastExceptionFromDriver = e;
                         sessionsAreAvailable = false;
                     }