Disable prometheus check ContrailFlowsDropTooMany

This is triggered too much by security groups, so it can be considered
as noise. Enable it if your environment requires this check to be
enabled for example for security audits.

PROD-18184

Change-Id: I2d0c5f350ee07ddaeda85ea1bdc2f7bccd8a5f67
diff --git a/opencontrail/meta/prometheus.yml b/opencontrail/meta/prometheus.yml
index 384caf0..f4f1eea 100644
--- a/opencontrail/meta/prometheus.yml
+++ b/opencontrail/meta/prometheus.yml
@@ -427,6 +427,7 @@
         summary: 'Too many vRouter discarded flows'
         description: 'There are too many discarded vRouter flows on node {{ $labels.host }} (current value={{ $value }}, threshold={%- endraw %}{{ vrouter_flows_discard_toohigh_threshold }})'
     ContrailFlowsDropTooMany:
+      enabled: false
       if: >-
     {%- set vrouter_flows_flow_action_drop_toohigh_threshold = monitoring.vrouter_flows_flow_action_drop_too_high_threshold %}
         rate(contrail_vrouter_flows_flow_action_drop[5m]) >= {{ vrouter_flows_flow_action_drop_toohigh_threshold }}