HBASE-27801 Remove redundant avro.version property from Kafka connector

[stoty]

Change-Id: I9a26e36d3b94379756d34d5ee99255acaeaf42d0

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	2m 3s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
-0 ⚠️	test4tests	0m 0s	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.
		_ master Compile Tests _
+1 💚	mvninstall	1m 47s	master passed
+1 💚	compile	0m 15s	master passed
+1 💚	javadoc	0m 13s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	1m 24s	the patch passed
+1 💚	compile	0m 14s	the patch passed
+1 💚	javac	0m 14s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	xml	0m 1s	The patch has no ill-formed XML file.
+1 💚	javadoc	0m 9s	the patch passed
		_ Other Tests _
+1 💚	unit	0m 15s	kafka in the patch passed.
		6m 31s

Subsystem	Report/Notes
Docker	ClientAPI=1.42 ServerAPI=1.42 base: https://ci-hbase.apache.org/job/HBase-Connectors-PreCommit/job/PR-115/1/artifact/yetus-precommit-check/output/Dockerfile
GITHUB PR	#115
Optional Tests	dupname javac javadoc unit xml compile
uname	Linux 089e24263e76 5.4.0-144-generic #161-Ubuntu SMP Fri Feb 3 14:49:04 UTC 2023 x86_64 GNU/Linux
Build tool	hb_maven
Personality	dev-support/jenkins/hbase-personality.sh
git revision	master / 99d25ff
Default Java	Oracle Corporation-1.8.0_282-b08
Test Results	https://ci-hbase.apache.org/job/HBase-Connectors-PreCommit/job/PR-115/1/testReport/
Max. process+thread count	62 (vs. ulimit of 12500)
modules	C: kafka U: kafka
Console output	https://ci-hbase.apache.org/job/HBase-Connectors-PreCommit/job/PR-115/1/console
versions	git=2.20.1
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[stoty]

removed gerrit change-id from description