Removed not needed rights

IaC/terraform/configuration/keyvault/keyvaults.tfvars

@@ -17,13 +17,13 @@ keyvaults = {
       }
       ingress_umi = {
         managed_identity_key    = "ingress"
-        secret_permissions      = ["Get", "List"]
-        certificate_permissions = ["Get", "List"]
+        secret_permissions      = ["Get"]
+        certificate_permissions = ["Get"]
       }
       apgw_keyvault_secrets_umi = {
         managed_identity_key    = "apgw_keyvault_secrets"
-        certificate_permissions = ["Get", "List"]
-        secret_permissions      = ["Get", "List"]
+        certificate_permissions = ["Get"]
+        secret_permissions      = ["Get"]
       }
     }