Revert "Upgrade metrics-core to 4.1.14"

This reverts commit 4ef7678d390b9168f4095c94726b1c11e273afc5.

Version 4.1.14 assumes caffeine 2.8.6 [1], but the latter was deemed non
compliant as an upgrade in [2]. Hence revert this upgrade given that non
compliant dependency.

[1] https://github.com/dropwizard/metrics/releases/tag/v4.1.14
[2] https://gerrit-review.googlesource.com/c/gerrit/+/285256

Change-Id: I8e3939d7eef42e1ae5ef9b97acb0b6e8cc714838
diff --git a/tools/nongoogle.bzl b/tools/nongoogle.bzl
index 0b11b2c..c5e093a 100644
--- a/tools/nongoogle.bzl
+++ b/tools/nongoogle.bzl
@@ -23,8 +23,8 @@
 
     maven_jar(
         name = "dropwizard-core",
-        artifact = "io.dropwizard.metrics:metrics-core:4.1.14",
-        sha1 = "14cf9dd67619a0390812dddb232df339e3383d35",
+        artifact = "io.dropwizard.metrics:metrics-core:4.1.12.1",
+        sha1 = "cb2f351bf4463751201f43bb99865235d5ba07ca",
     )
 
     SSHD_VERS = "2.4.0"