Removing default value of idleReplicaCount (#6721)

Author: YashasviDevtron

scripts/devtron-reference-helm-charts/deployment-chart_4-21-0/values.yaml

@@ -127,7 +127,6 @@ kedaAutoscaling:
   cooldownPeriod: 300 # Optional. Default: 300 seconds
   minReplicaCount: 1 
   maxReplicaCount: 2
-  idleReplicaCount: 0 # Optional. Must be less than minReplicaCount
   pollingInterval: 30 # Optional. Default: 30 seconds
   # The fallback section is optional. It defines a number of replicas to fallback to if a scaler is in an error state.
   fallback: {} # Optional. Section to specify fallback options
@@ -715,4 +714,4 @@ secondaryWorkload:
   autoscaling:
     enabled: false
     containerResource:
-      enabled: false
+      enabled: false