RFR: 8271092: [TESTBUG] Cleanup unused HeapMonitor/MyPackage.HeapMonitorStatObjectCorrectnessTest::statsHaveExpectedNumberSamples

[Leonid Mesnik]

Simple cleanup.

-------------

Commit messages:
 - method removed

Changes: https://git.openjdk.java.net/jdk/pull/4862/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4862&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271092
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4862.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4862/head:pull/4862

PR: https://git.openjdk.java.net/jdk/pull/4862