HDDS-1655. Redundant toString() call for metaDataPath in KeyValueContainerCheck

[shwetayakkali]

Change-Id: Idf91e6367cf1a6e27986034e13cf34f59e79fc25

Redundant toString() call for variable metadataPath at:

https://github.com/apache/hadoop/blob/trunk/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainerCheck.java#L284

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	844	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
+1	mvninstall	499	trunk passed
+1	compile	289	trunk passed
+1	checkstyle	89	trunk passed
+1	mvnsite	0	trunk passed
+1	shadedclient	909	branch has no errors when building and testing our client artifacts.
+1	javadoc	168	trunk passed
0	spotbugs	321	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	506	trunk passed
		_ Patch Compile Tests _
+1	mvninstall	446	the patch passed
+1	compile	303	the patch passed
+1	javac	303	the patch passed
+1	checkstyle	93	the patch passed
+1	mvnsite	0	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	753	patch has no errors when building and testing our client artifacts.
+1	javadoc	178	the patch passed
+1	findbugs	546	the patch passed
		_ Other Tests _
-1	unit	167	hadoop-hdds in the patch failed.
-1	unit	1201	hadoop-ozone in the patch failed.
+1	asflicense	49	The patch does not generate ASF License warnings.
		7211

Reason	Tests
Failed junit tests	hadoop.ozone.container.common.impl.TestHddsDispatcher
	hadoop.ozone.client.rpc.TestBCSID
	hadoop.ozone.client.rpc.TestOzoneRpcClient
	hadoop.ozone.client.rpc.TestSecureOzoneRpcClient
	hadoop.ozone.client.rpc.TestOzoneRpcClientWithRatis
	hadoop.ozone.TestMiniOzoneCluster
	hadoop.ozone.client.rpc.TestOzoneAtRestEncryption

Subsystem	Report/Notes
Docker	Client=18.09.5 Server=18.09.5 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-932/1/artifact/out/Dockerfile
GITHUB PR	#932
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux a21c5772d636 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 9deac3b
Default Java	1.8.0_212
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-932/1/artifact/out/patch-unit-hadoop-hdds.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-932/1/artifact/out/patch-unit-hadoop-ozone.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-932/1/testReport/
Max. process+thread count	3703 (vs. ulimit of 5500)
modules	C: hadoop-hdds/container-service U: hadoop-hdds/container-service
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-932/1/console
versions	git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1
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[bharatviswa504]

+1 LGTM.

[bharatviswa504]

Thank you @shwetayakkali for the contribution.
I have committed this to trunk.