Disable nats test as we deprecate Fission Nats Integration (#2241)

We would like to deprecate Fission Nats Integration and recommend
user to use Fission Keda Nats connector to handle Keda events.

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

skaffold.yaml

@@ -101,9 +101,6 @@ profiles:
   - op: replace
     path: /deploy/helm/releases/0/setValues/prometheus.enabled
     value: true
-  - op: replace
-    path: /deploy/helm/releases/0/setValues/nats.enabled
-    value: true
   - op: replace
     path: /deploy/helm/releases/0/setValues/influxdb.enabled
     value: true