Bump default Gerrit version to 3.0.1

Change-Id: Id192203047b12f99609dc9356b887200c039bbf5
diff --git a/container-images/gerrit-base/Dockerfile b/container-images/gerrit-base/Dockerfile
index 9bae02a..241767e 100644
--- a/container-images/gerrit-base/Dockerfile
+++ b/container-images/gerrit-base/Dockerfile
@@ -13,7 +13,7 @@
     mkdir -p /var/war
 
 # Download Gerrit release
-ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-2.16.9.war
+ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.0.1.war
 RUN curl -k -o /var/war/gerrit.war ${GERRIT_WAR_URL} && ln -s /var/war/gerrit.war /var/gerrit/bin/gerrit.war
 
 # Allow incoming traffic
diff --git a/helm-charts/gerrit-master/Chart.yaml b/helm-charts/gerrit-master/Chart.yaml
index 7fa3744..6f4bed4 100644
--- a/helm-charts/gerrit-master/Chart.yaml
+++ b/helm-charts/gerrit-master/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 2.12
+appVersion: 3.0.1
 description: |-
     Gerrit is a free, web-based team code collaboration tool. Software developers
     in a team can review each other's modifications on their source code using
@@ -24,4 +24,4 @@
 - https://gerrit.googlesource.com/k8s-gerrit/+/master/
 keywords:
 - gerrit
-- git
\ No newline at end of file
+- git
diff --git a/helm-charts/gerrit-master/values.yaml b/helm-charts/gerrit-master/values.yaml
index 2084334..ff5a5f9 100644
--- a/helm-charts/gerrit-master/values.yaml
+++ b/helm-charts/gerrit-master/values.yaml
@@ -130,7 +130,7 @@
   keystore:
 
   reviewdb:
-    enabled: true
+    enabled: false
 
   config:
     # Some values are expected to have a specific value for the deployment installed
@@ -147,8 +147,6 @@
         # cluster.
         canonicalWebUrl = http://example.com/
         disableReverseDnsLookup = true
-      [database]
-        type = h2
       [index]
         type = LUCENE
       [auth]
@@ -176,12 +174,6 @@
         javaOptions = -Xmx4g
 
     secure: |-
-      # Database credentials should be the same as configured for the database
-      # Gerrit-master chart, if the database was installed using the chart.
-      [database]
-        username = gerrit
-        password = secret
-
       # Password for the keystore added as value for 'gerritSlave.keystore'
       # Only needed, if SSL is enabled.
       #[httpd]
diff --git a/helm-charts/gerrit-slave/Chart.yaml b/helm-charts/gerrit-slave/Chart.yaml
index cb29c79..10ef0d6 100644
--- a/helm-charts/gerrit-slave/Chart.yaml
+++ b/helm-charts/gerrit-slave/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 2.12
+appVersion: 3.0.1
 description: |-
     The Gerrit slave serves as a read-only Gerrit instance to serve repositories
     that it receives from a Gerrit master instance via replication. It can be
@@ -21,4 +21,4 @@
 - https://gerrit.googlesource.com/k8s-gerrit/+/master
 keywords:
 - gerrit
-- git
\ No newline at end of file
+- git
diff --git a/helm-charts/gerrit-slave/values.yaml b/helm-charts/gerrit-slave/values.yaml
index 919e4f9..3472871 100644
--- a/helm-charts/gerrit-slave/values.yaml
+++ b/helm-charts/gerrit-slave/values.yaml
@@ -193,7 +193,7 @@
   keystore:
 
   reviewdb:
-    enabled: true
+    enabled: false
 
   config:
     # Some values are expected to have a specific value for the deployment installed
@@ -210,8 +210,6 @@
         # cluster.
         canonicalWebUrl = http://example.com/
         disableReverseDnsLookup = true
-      [database]
-        type = h2
       [index]
         type = LUCENE
       [auth]
@@ -240,12 +238,6 @@
         javaOptions = -Xmx4g
 
     secure: |-
-      # Database credentials should be the same as configured for the database
-      # Gerrit-slave chart, if the database was installed using the chart.
-      [database]
-        username = gerrit
-        password = secret
-
       # Password for the keystore added as value for 'gerritSlave.keystore'
       # Only needed, if SSL is enabled.
       #[httpd]