Remove unused class #2070

Job	Run time
setup-muzzle-matrix	2m 46s
shellcheck	4s
license-check	3m 33s
build	6m 39s
smoke-test (ubuntu-20.04, glassfish)	10m 28s
smoke-test (ubuntu-20.04, jboss)	4m 54s
smoke-test (ubuntu-20.04, jetty)	6m 49s
smoke-test (ubuntu-20.04, liberty)	14m 28s
smoke-test (ubuntu-20.04, profiler)	7m 52s
smoke-test (ubuntu-20.04, tomcat)	6m 57s
smoke-test (ubuntu-20.04, tomee)	5m 51s
smoke-test (ubuntu-20.04, weblogic)	3m 58s
smoke-test (ubuntu-20.04, websphere)	7m 38s
smoke-test (ubuntu-20.04, wildfly)	12m 54s
smoke-test (ubuntu-20.04, other)	8m 50s
muzzle (:instrumentation:c3p0)	3m 39s
muzzle (:instrumentation:commons-dbcp2)	2m 42s
muzzle (:instrumentation:hikaricp)	3m 6s
muzzle (:instrumentation:jetty)	2m 57s
muzzle (:instrumentation:khttp-0.1)	2m 45s
muzzle (:instrumentation:liberty)	3m 25s
muzzle (:instrumentation:micrometer-1.3)	3m 58s
muzzle (:instrumentation:micrometer-1.5)	2m 37s
muzzle (:instrumentation:oracle-ucp)	2m 45s
muzzle (:instrumentation:tomcat)	3m 29s
muzzle (:instrumentation:tomcat-jdbc)	3m 30s
muzzle (:instrumentation:vibur-dbcp)	3m 16s
muzzle (:instrumentation:weblogic)	2m 48s
muzzle (:instrumentation:websphere)	3m 58s
muzzle (:instrumentation:wildfly)	2m 47s
	2h 31m 23s

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