Remove dependencies on micrometer-jersey2

Closes gh-28706

Author: snicoll

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -48,7 +48,6 @@ dependencies {
 	optional("io.dropwizard.metrics:metrics-jmx")
 	optional("io.lettuce:lettuce-core")
 	optional("io.micrometer:micrometer-core")
-	optional("io.micrometer:micrometer-jersey2")
 	optional("io.micrometer:micrometer-registry-appoptics")
 	optional("io.micrometer:micrometer-registry-atlas") {
 		exclude group: "javax.inject", module: "javax.inject"

spring-boot-project/spring-boot-docs/src/docs/asciidoc/actuator/metrics.adoc

@@ -769,7 +769,7 @@ Applications can opt in and record exceptions by <<web#web.reactive.webflux.erro
 
 [[actuator.metrics.supported.jersey]]
 ==== Jersey Server Metrics
-Auto-configuration enables the instrumentation of all requests handled by the Jersey JAX-RS implementation whenever Micrometer's `micrometer-jersey2` module is on the classpath.
+Auto-configuration enables the instrumentation of all requests handled by the Jersey JAX-RS implementation.
 By default, metrics are generated with the name, `http.server.requests`.
 You can customize the name by setting the configprop:management.metrics.web.server.request.metric-name[] property.