What

Remove the check i.e. if statement as the instance type will always be set to cache.m5.xlarge
https://github.com/integr8ly/integreatly-operator/blob/4baae3de0e6023bf754db89eb680a6f3c213986a/controllers/subscription/subscription_controller.go#L154

do small investigation on the value of this check to see if its worth keeping