[BUG] Altermanager considering Completed pods in KubeletTooManyPods alert

[knisbet]

gravity status
Cluster name:	cluster_name
Cluster status:	active
...
Cluster nodes:
    Masters:
        *  M1 / 10.0.5.5 / node
            Status:	healthy
...
Cluster alerts:
    * KubeletTooManyPods [88h22m7s]
      - Kubelet 10.0.5.5:10250 is running 1355 Pods, close to the limit of 110.

kubectl get pods --all-namespaces | grep -v Completed | wc -l
84

kubectl get pods --all-namespaces | wc -l
1358

@UnderGreen FYI