Changes for the dropped packets alerts

- remove "major" alert for the dropped packets;
- decrease threshold from 100 to 60 dropped packets per minute
for the "warning" alert.

Change-Id: I1995df00406fc0ecf8b84323150ca5be759c62a1
Related-PROD: PROD-25970 (PROD:25970)
(cherry picked from commit f89fb97623493460638ae89dec3e3d1ec9115819)
diff --git a/linux/map.jinja b/linux/map.jinja
index 0fb462d..b24e9ce 100644
--- a/linux/map.jinja
+++ b/linux/map.jinja
@@ -434,7 +434,7 @@
             'crit': 2,
         },
         'rx_packets_dropped_threshold': {
-            'warn': 100,
+            'warn': 60,
         },
         'tx_packets_dropped_threshold': {
             'warn': 100,
diff --git a/linux/meta/prometheus.yml b/linux/meta/prometheus.yml
index e89b42b..f405367 100644
--- a/linux/meta/prometheus.yml
+++ b/linux/meta/prometheus.yml
@@ -158,16 +158,6 @@
       annotations:
         summary: "{{ net_rx_dropped_threshold }}{%- raw %} received packets were dropped"
         description: "{{ $value }} packets received by the {{ $labels.interface }} interface on the {{ $labels.host }} node were dropped during the last minute."
-    SystemRxPacketsDroppedLongTermTooHigh:
-      if: >-
-        increase(net_drop_in[1m]) > 0 unless on (host,interface) bond_slave_active == 0
-      for: 10m
-      labels:
-        severity: major
-        service: system
-      annotations:
-        summary: "Received packets long term dropping"
-        description: "{{ $value }} packets received by the {{ $labels.interface }} interface on the {{ $labels.host }} node were dropped during the last 10 minutes."
     SystemTxPacketsDroppedTooHigh:
       {%- endraw %}
       {%- set net_tx_dropped_threshold = monitoring.tx_packets_dropped_threshold.warn %}