Reapply "Remove HostLivenessTracker"

This reverts commit a5ed12b351806b187613457b58982ca67f537594.

1 files changed, 0 insertions, 24 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/HostLivenessTracker.java b/config-provisioning/src/main/java/com/yahoo/config/provision/HostLivenessTracker.java
deleted file mode 100644
index f3326ec2bc8..00000000000
--- a/config-provisioning/src/main/java/com/yahoo/config/provision/HostLivenessTracker.java
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.config.provision;
-
-import java.time.Instant;
-import java.util.Optional;
-
-/**
- * Instances of this are used to keep track of (notify and query)
- * which hosts are currently connected to the config system.
- * 
- * @author bratseth
- */
-public interface HostLivenessTracker {
-
-    /** Called each time a config request is received from a client */
-    void receivedRequestFrom(String hostname);
-
-    /** 
-     * Returns the epoch timestamp of the last request received from the given hostname,
-     * or empty if there is no memory of this host making a request
-     */
-    Optional<Instant> lastRequestFrom(String hostname);
-
-}