fix(chart): remove duplicate annotation (#2167)

The additionalAnnotations value is used on all keda resources. So specifying it on keda and crds makes the annotation duplicated. In my case that means that the resources doens't go through our validation step so the chart doesn't work.

charts/selenium-grid/values.yaml

@@ -1176,12 +1176,6 @@ customLabels: {}
 keda:
   additionalAnnotations:
     "helm.sh/hook": pre-install
-  podAnnotations:
-    keda:
-      "helm.sh/hook": pre-install
-  crds:
-    additionalAnnotations:
-      "helm.sh/hook": pre-install
   http:
     timeout: 60000
   webhooks: