🌱 clean up samples by removing deprecated options

- remove samples with add-on and declarative for project-v2
- remove samples for v1beta1 CRDs and WebHooks

test/testdata/generate.sh

@@ -107,10 +107,6 @@ function scaffold_test_project {
     $kb create api --group crew --version v1 --kind Captain --controller=true --resource=true --make=false
     $kb create api --group crew --version v1 --kind FirstMate --controller=true --resource=true --make=false
     $kb create api --group crew --version v1 --kind Admiral --controller=true --resource=true --namespaced=false --make=false
-  elif [[ $project =~ v1beta1 ]]; then
-    header_text 'Creating APIs ...'
-    $kb create api --group crew --version v1 --kind Admiral --controller=true --resource=true --namespaced=false --make=false --crd-version=v1beta1
-    $kb create webhook --group crew --version v1 --kind Admiral --defaulting --webhook-version=v1beta1
   fi
 
   make generate manifests
@@ -123,12 +119,9 @@ build_kb
 
 # Project version 2 uses plugin go/v2 (default).
 scaffold_test_project project-v2 --project-version=2
-scaffold_test_project project-v2-multigroup --project-version=2
-scaffold_test_project project-v2-addon --project-version=3 --plugins="go/v2,declarative"
 # Project version 3 (default) uses plugin go/v3 (default).
 scaffold_test_project project-v3
 scaffold_test_project project-v3-multigroup
 scaffold_test_project project-v3-addon --plugins="go/v3,declarative"
 scaffold_test_project project-v3-config --component-config
-scaffold_test_project project-v3-v1beta1
 scaffold_test_project project-v3-with-kustomize-v2 --plugins="kustomize/v2-alpha,base.go.kubebuilder.io/v3"