Cleanup EideticRequestMonitor
Merge pull request #3056 from davidegrohmann/2.1-cleanup-eidetic-req-monitor

[2.1] Cleanup EideticRequestMonitor
Merge branch '2.1-maint' into 2.2-merge-2.1

Conflicts:
	enterprise/ha/src/test/java/org/neo4j/ha/monitoring/EideticRequestMonitor.java
	enterprise/ha/src/test/java/org/neo4j/ha/monitoring/RemoteRequestMonitoringIT.java
Ignore a flaky test in an unused component, which is going to be removed.
making page cache stress test working directory be configurable so that we can run it on certain locations on the build
cleaned up references to enterprise-io
Merge pull request #3107 from lutovich/2.2-merge-2.1

2.2 <-[:merge]- 2.1
Unpacking of transaction logs occurs right after response deserialization