Cosmetic changes for alerts

Change-Id: If5b3172e49ea7b61c83c8b48a4ce4aa31e58ced1
Closes-bug: PROD-20466
diff --git a/rsyslog/meta/prometheus.yml b/rsyslog/meta/prometheus.yml
index 1564e6d..1ad83b8 100644
--- a/rsyslog/meta/prometheus.yml
+++ b/rsyslog/meta/prometheus.yml
@@ -3,28 +3,6 @@
 {%- if global.get('enabled', False) %}
 {%- raw %}
 server:
-  alert:
-    SshFailedLoginsTooHigh:
+  alert: []
 {%- endraw %}
-      {%- set threshold = monitoring.failed_auths_per_sec|float %}
-      if: >-
-        rate(failed_logins_total[5m]) > {{ threshold }}
-{%- raw %}
-      labels:
-        severity: warning
-        service: ssh
-      annotations:
-        summary: 'Too many failed SSH logins'
-        description: 'The rate of failed logins is too high on node {{ $labels.host }} (current value={{ $value }}, threshold={%- endraw %}{{ threshold }}).'
-    OutOfMemoryTooHigh:
-      {%- set threshold = monitoring.out_of_memory_errors_per_sec|float %}
-      if: >-
-        rate(out_of_memory_total[5m]) > {{ threshold }}
-{%- raw %}
-      labels:
-        severity: warning
-        service: system
-      annotations:
-        summary: 'Too many out-of-memory errors'
-        description: 'The rate of out-of-memory errors is too high on node {{ $labels.host }} (current value={{ $value }}, threshold={%- endraw %}{{ threshold }}).'
 {%- endif %}