Use common reauth_successful string in rituals_perfume_genie (home-assistant#158684)

Author: NoRi2909

homeassistant/components/rituals_perfume_genie/strings.json

@@ -2,7 +2,7 @@
   "config": {
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_account%]",
-      "reauth_successful": "Re-authentication was successful"
+      "reauth_successful": "[%key:common::config_flow::abort::reauth_successful%]"
     },
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",