HBASE-23738 Removed deprecated createLocalHRegion from HBaseTestingUtility

[HorizonNet]

New, smaller try as in #477. Not removing everything at once this time.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 8s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s	The patch appears to include 2 new or modified test files.
		_ master Compile Tests _
+1 💚	mvninstall	5m 41s	master passed
+1 💚	compile	0m 57s	master passed
+1 💚	checkstyle	1m 15s	master passed
+1 💚	shadedjars	4m 41s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 37s	master passed
+0 🆗	spotbugs	4m 19s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	4m 17s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 59s	the patch passed
+1 💚	compile	0m 59s	the patch passed
+1 💚	javac	0m 59s	the patch passed
+1 💚	checkstyle	1m 12s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedjars	4m 47s	patch has no errors when building our shaded downstream artifacts.
+1 💚	hadoopcheck	15m 58s	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1 💚	javadoc	0m 37s	the patch passed
+1 💚	findbugs	4m 12s	the patch passed
		_ Other Tests _
+1 💚	unit	158m 55s	hbase-server in the patch passed.
+1 💚	asflicense	0m 37s	The patch does not generate ASF License warnings.
		217m 19s

Subsystem	Report/Notes
Docker	Client=19.03.5 Server=19.03.5 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1090/1/artifact/out/Dockerfile
GITHUB PR	#1090
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux ab6a63b7f032 4.15.0-65-generic #74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/Base-PreCommit-GitHub-PR_PR-1090/out/precommit/personality/provided.sh
git revision	master / 1690414
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1090/1/testReport/
Max. process+thread count	4885 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1090/1/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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[HorizonNet]

Changed the title to reflect the actual ticket. Will make sure that the commit messages matches on commit.