prometheus/rules: remove FastdBackgroundNoise

prometheus/files/prometheus/rules/fastd.yml

@@ -2,16 +2,6 @@
 groups:
   - name: fastd
     rules:
-      - alert: FastdBackgroundNoise
-        expr: (min by (fastd_instance) (irate(fastd_peer_tx_bytes[1m]) > 1)) / 1024 > 30
-        for: 5m
-        labels:
-          severity: page
-        annotations:
-          description: 'A fastd interface background noise is over 30 kBps for 5 min'
-          summary: 'Fastd background noise for {{ $labels.fastd_instance }} is at {{ $value }}.'
-          value: '{{ $value }}'
-
       - alert: FastdPeerLimit
         expr: (sum(fastd_peer_up) BY (fastd_instance,instance)) > 75 * 0.95
         labels: