Fix healthcheck.config file

Fix the healthcheck.config file based on the
bug fix and new feature to disable the checks.

Feature: Issue 10561
Change-Id: I869e165974afc9d4e25a24d8882b087052145197
diff --git a/setup_local_env/configs/healthcheck.config b/setup_local_env/configs/healthcheck.config
index 69f87f7..1eef4b8 100644
--- a/setup_local_env/configs/healthcheck.config
+++ b/setup_local_env/configs/healthcheck.config
@@ -2,8 +2,8 @@
   timeout = 10s
 
 [healthcheck "querychanges"]
-  query = status:open OR status:merged OR status:abandoned
-  limit = 0 # there are no changes
+  # No changes available when Gerrit is installed from scratch
+  enabled = false
 
 [healthcheck "auth"]
-  userame = "admin"
\ No newline at end of file
+  username = "admin"
\ No newline at end of file