[Backport 2.x] Removing flaky test case testAutoInit (#3732) (#3758)

### Description
Backport ca8aafe from #3732.

### Check List
- [ ] ~New functionality includes testing~
- [ ] ~New functionality has been documented~
- [X] Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and
signing off your commits, please check
[here](https:/opensearch-project/OpenSearch/blob/main/CONTRIBUTING.md#developer-certificate-of-origin).

Signed-off-by: Peter Nied <[email protected]>

src/test/java/org/opensearch/security/auditlog/compliance/RestApiComplianceAuditlogTest.java

@@ -125,31 +125,6 @@ public void testRestApiRolesDisabledGet() throws Exception {
  Assert.assertTrue(validateMsgs(TestAuditlogImpl.messages));
  }
 
- @Test
- public void testAutoInit() throws Exception {
-
- Settings additionalSettings = Settings.builder()
- .put("plugins.security.audit.type", TestAuditlogImpl.class.getName())
- .put(ConfigConstants.OPENDISTRO_SECURITY_AUDIT_ENABLE_TRANSPORT, true)
- .put(ConfigConstants.OPENDISTRO_SECURITY_AUDIT_ENABLE_REST, true)
- .put(ConfigConstants.OPENDISTRO_SECURITY_AUDIT_RESOLVE_BULK_REQUESTS, false)
- .put(ConfigConstants.OPENDISTRO_SECURITY_COMPLIANCE_HISTORY_EXTERNAL_CONFIG_ENABLED, true)
- .put(ConfigConstants.SECURITY_COMPLIANCE_HISTORY_INTERNAL_CONFIG_ENABLED, true)
- .put(ConfigConstants.OPENDISTRO_SECURITY_AUDIT_CONFIG_DISABLED_TRANSPORT_CATEGORIES, "authenticated,GRANTED_PRIVILEGES")
- .put(ConfigConstants.OPENDISTRO_SECURITY_AUDIT_CONFIG_DISABLED_REST_CATEGORIES, "authenticated,GRANTED_PRIVILEGES")
- .build();
-
- setup(additionalSettings);
-
- Thread.sleep(1500);
-
- Assert.assertTrue(TestAuditlogImpl.messages.size() > 2);
- Assert.assertTrue(TestAuditlogImpl.sb.toString().contains("audit_request_effective_user"));
- Assert.assertTrue(TestAuditlogImpl.sb.toString().contains("COMPLIANCE_INTERNAL_CONFIG_WRITE"));
- Assert.assertTrue(TestAuditlogImpl.sb.toString().contains("COMPLIANCE_EXTERNAL_CONFIG"));
- Assert.assertTrue(validateMsgs(TestAuditlogImpl.messages));
- }
-
  @Test
  public void testRestApiNewUser() throws Exception {