Revert "Allow configuration of SSH rekey values"

Not supported in sshd 0.9.0 which is being merged into master
via stable-2.9

This reverts commit 6f721702f0.

Change-Id: Ie505d6211eff9d2aab6ab5c6125f926d2aa2237e

Documentation/config-gerrit.txt

@@ -3189,24 +3189,6 @@ programmatic configuration.
 +
 By default, true.
 
-[[sshd.rekeyBytesLimit]]sshd.rekeyBytesLimit::
-+
-Sshd Mina will issue a rekeying after a certain amount of data.
-This configuration option allows you to tweak that setting.
-+
-By default, 1073741824 (bytes, 1GB).
-+
-The rekeyBytesLimit cannot be set to lower than 32.
-
-[[sshd.rekeyTimeLimit]]sshd.rekeyTimeLimit::
-+
-Sshd Mina will issue a rekeying after a certain amount of time.
-This configuration option allows you to tweak that setting.
-+
-By default, 1h.
-+
-Set to 0 to disable this check.
-
 [[suggest]]
 === Section suggest
 

gerrit-sshd/src/main/java/com/google/gerrit/sshd/SshDaemon.java

@@ -189,15 +189,6 @@ public class SshDaemon extends SshServer implements SshInfo, LifecycleListener {
         IDLE_TIMEOUT,
         String.valueOf(SECONDS.toMillis(idleTimeoutSeconds)));
 
-    long rekeyTimeLimit = ConfigUtil.getTimeUnit(cfg, "sshd", null,
-        "rekeyTimeLimit", 3600, SECONDS);
-    getProperties().put(
-        REKEY_TIME_LIMIT,
-        String.valueOf(SECONDS.toMillis(rekeyTimeLimit)));
-
-    getProperties().put(REKEY_BYTES_LIMIT,
-        String.valueOf(cfg.getLong("sshd", "rekeyBytesLimit", 1024 * 1024 * 1024 /* 1GB */)));
-
     final int maxConnectionsPerUser =
         cfg.getInt("sshd", "maxConnectionsPerUser", 64);
     if (0 < maxConnectionsPerUser) {