Remove default icon from tip blocks that already start with an emoji

content/en/3.serveex/3.security/4.tinyauth.md

@@ -69,7 +69,7 @@ services:
       - 3000:3000
 ```
 
-::tip
+::tip{icon=""}
 ✨ Add the Watchtower label to automate updates:
 
 ```yaml [compose.yaml]
@@ -233,7 +233,7 @@ Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ct
 
 Redeploy the TinyAuth stack. On your next visit to `https://tinyauth.mydomain.com`, you'll see a "Login with Pocket ID" option alongside the local login form.
 
-::tip
+::tip{icon=""}
 ✨ To skip straight to Pocket ID and hide the local login form, add `TINYAUTH_OAUTH_AUTOREDIRECT=pocketid` to the same `.env` file.
 ::