only allow aws, gcp, azure providers in plural up (#614)

Co-authored-by: test-cli-e2e-aws <test-cli-e2e-aws@srv.plural.sh>

Author: zreigz

pkg/api/constants.go

@@ -5,6 +5,5 @@ const (
 	ProviderGCP           = "gcp"
 	ProviderAWS           = "aws"
 	ProviderAzure         = "azure"
-	ProviderEquinix       = "equinix"
 	TEST                  = "test"
 )

pkg/api/utils.go

@@ -2,9 +2,6 @@ package api
 
 import (
 	"strings"
-
-	"github.com/pluralsh/polly/algorithms"
-	"github.com/samber/lo"
 )
 
 func NormalizeProvider(p string) string {
@@ -19,7 +16,3 @@ func NormalizeProvider(p string) string {
 func ToGQLClientProvider(p string) string {
 	return strings.ToUpper(NormalizeProvider(p))
 }
-
-func FromSlicePtr[T any](s []*T) []T {
-	return algorithms.Map(s, lo.FromPtr[T])
-}