MAPREDUCE-7433. Remove unused mapred/LoggingHttpResponseEncoder.java.

[tomicooler]

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 57s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	detsecrets	0m 1s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	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.
			_ trunk Compile Tests _
+1 💚	mvninstall	43m 34s		trunk passed
+1 💚	compile	0m 31s		trunk passed with JDK Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04
+1 💚	compile	0m 29s		trunk passed with JDK Private Build-1.8.0_352-8u352-ga-1~20.04-b08
+1 💚	checkstyle	0m 31s		trunk passed
+1 💚	mvnsite	0m 34s		trunk passed
+1 💚	javadoc	0m 39s		trunk passed with JDK Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04
+1 💚	javadoc	0m 27s		trunk passed with JDK Private Build-1.8.0_352-8u352-ga-1~20.04-b08
+1 💚	spotbugs	1m 3s		trunk passed
+1 💚	shadedclient	23m 5s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 29s		the patch passed
+1 💚	compile	0m 23s		the patch passed with JDK Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04
+1 💚	javac	0m 23s		the patch passed
+1 💚	compile	0m 21s		the patch passed with JDK Private Build-1.8.0_352-8u352-ga-1~20.04-b08
+1 💚	javac	0m 21s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 15s		the patch passed
+1 💚	mvnsite	0m 23s		the patch passed
+1 💚	javadoc	0m 20s		the patch passed with JDK Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04
+1 💚	javadoc	0m 18s		the patch passed with JDK Private Build-1.8.0_352-8u352-ga-1~20.04-b08
+1 💚	spotbugs	0m 46s		the patch passed
+1 💚	shadedclient	23m 6s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	0m 42s		hadoop-mapreduce-client-shuffle in the patch passed.
+1 💚	asflicense	0m 37s		The patch does not generate ASF License warnings.
		101m 14s

Subsystem	Report/Notes
Docker	ClientAPI=1.42 ServerAPI=1.42 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5388/1/artifact/out/Dockerfile
GITHUB PR	#5388
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 6cfc288141d0 4.15.0-200-generic #211-Ubuntu SMP Thu Nov 24 18:16:04 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / f011aaa
Default Java	Private Build-1.8.0_352-8u352-ga-1~20.04-b08
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5388/1/testReport/
Max. process+thread count	768 (vs. ulimit of 5500)
modules	C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5388/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[brumi1024]

Thanks @tomicooler, merged to trunk.