Remove yq install from prow scripts

yq is now part of Krkn base image: krkn-chaos/krkn#450

README.md

@@ -19,7 +19,7 @@ Scenario   | Description | Working
 [Power Outages](docs/power-outages.md) | Shuts down the cluster for the specified duration and turns it back on to check the cluster health | :heavy_check_mark: |
 [PVC disk fill](docs/pvc-scenarios.md) | Fills up a given PersistenVolumeClaim by creating a temp file on the PVC from a pod associated with it | :heavy_check_mark: |
 [Network Chaos](docs/network-chaos.md) | Introduces network latency, packet loss, bandwidth restriction in the egress traffic of a Node's interface using tc and Netem | :heavy_check_mark: | 
-[Pod Network Chaos][docs/pod-network-chaos.md) | Introducs network chaos at pod level | :heavy_check_mark: |
+[Pod Network Chaos](docs/pod-network-chaos.md) | Introducs network chaos at pod level | :heavy_check_mark: |
 
 
 ### Set Up 

prow/cpu-hog/prow_run.sh

@@ -19,9 +19,6 @@ oc config view
 echo "Printing node info"
 for node in $(oc get nodes | awk 'NR!=1{print $1}'); do oc get node/$node -o yaml; done
 
-# Install dependencies
-wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && chmod +x /usr/bin/yq
-
 source node-cpu-hog/env.sh
 source env.sh
 source common_run.sh

prow/memory-hog/prow_run.sh

@@ -19,9 +19,6 @@ oc config view
 echo "Printing node info"
 for node in $(oc get nodes | awk 'NR!=1{print $1}'); do oc get node/$node -o yaml; done
 
-# Install dependencies
-wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && chmod +x /usr/bin/yq
-
 source node-memory-hog/env.sh
 source env.sh
 source common_run.sh