chore: Multiple blank lines removed

KNOWN_ISSUES.md

@@ -182,7 +182,6 @@ metrics-server scrape kubelet `/metrics/resource` or `/stats/summary` endpoint t
 
 **Symptoms**
 
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 When running Deployment with horizontal autoscaling, HPA fails to compute replica count and reports error `failed to get memory utilization: missing request for memory`, even though Deployment sets resource requests. For example when running:
 
 ```sh
@@ -231,7 +230,6 @@ Warning  FailedGetResourceMetric       4m32s (x61 over 19m)  horizontal-pod-auto
 
 **Symptoms**
 
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 **Debuging**
 
 Please check if your metrics server reports problem with authenticating client certificate, in particular errors mentioning `Unable to authenticate the request due to an error`. You can check logs by running command:
@@ -252,9 +250,6 @@ E0524 01:37:36.055326       1 authentication.go:65] Unable to authenticate the r
 
   To fix this problem you need to provide kube-apiserver proxy-client CA to Metrics Server under `--requestheader-client-ca-file` flag. You can read more about this flag in [Authenticating Proxy](https://kubernetes.io/docs/reference/access-authn-authz/authentication/#authenticating-proxy)
 
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   1. Find your front-proxy certificates by checking arguments passed in kube-apiserver config (by default located in /etc/kubernetes/manifests/kube-apiserver.yaml)
 
       ```yml