Remove unnecessary .get() call due to method returning Bookkeeper directly

Author: ganesh-ctds

managed-ledger/src/test/java/org/apache/bookkeeper/mledger/impl/OffloadLedgerDeleteTest.java

@@ -285,19 +285,19 @@ public void readEntryFailed(ManagedLedgerException exception, Object ctx) {
 
         Awaitility.await().untilAsserted(() -> {
             try {
-                factory.getBookKeeper().get().openLedger(ledger3, ml.digestType, ml.config.getPassword());
+                factory.getBookKeeper().openLedger(ledger3, ml.digestType, ml.config.getPassword());
                 Assert.fail("Should fail: the ledger has been deleted");
             } catch (BKException.BKNoSuchLedgerExistsException ex) {
                 // Expected.
             }
             try {
-                factory.getBookKeeper().get().openLedger(ledger2, ml.digestType, ml.config.getPassword());
+                factory.getBookKeeper().openLedger(ledger2, ml.digestType, ml.config.getPassword());
                 Assert.fail("Should fail: the ledger has been deleted");
             } catch (BKException.BKNoSuchLedgerExistsException ex) {
                 // Expected.
             }
             try {
-                factory.getBookKeeper().get().openLedger(ledger1, ml.digestType, ml.config.getPassword());
+                factory.getBookKeeper().openLedger(ledger1, ml.digestType, ml.config.getPassword());
                 Assert.fail("Should fail: the ledger has been deleted");
             } catch (BKException.BKNoSuchLedgerExistsException ex) {
                 // Expected.