Adapt init step to API change in Gerrit

The API of AllProjectsConfig in Gerrit core was changed by If9d633b3.

Change-Id: I45c0db97568ce12b4abbee8fd04915af791b00ff
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/hooks/its/InitIts.java b/src/main/java/com/googlesource/gerrit/plugins/hooks/its/InitIts.java
index 47c23ae..4c59b5c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/hooks/its/InitIts.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/hooks/its/InitIts.java
@@ -61,7 +61,7 @@
 
   @Override
   public void postRun() throws IOException, ConfigInvalidException {
-    Config cfg = allProjectsConfig.load();
+    Config cfg = allProjectsConfig.load().getConfig();
     ui.message("\n");
     ui.header(itsDisplayName + " Integration");