docs: Move password information on password smtp section (#42370)

*What this PR does / why we need it:*

The password information is on [enabled section](https://grafana.com/docs/grafana/latest/administration/configuration/#enabled), I move it on [password section](https://grafana.com/docs/grafana/latest/administration/configuration/#password-1).

docs/sources/administration/configuration.md

@@ -890,8 +890,6 @@ Email server settings.
 
 Enable this to allow Grafana to send email. Default is `false`.
 
-If the password contains `#` or `;`, then you have to wrap it with triple quotes. Example: """#password;"""
-
 ### host
 
 Default is `localhost:25`.
@@ -902,7 +900,7 @@ In case of SMTP auth, default is `empty`.
 
 ### password
 
-In case of SMTP auth, default is `empty`.
+In case of SMTP auth, default is `empty`. If the password contains `#` or `;`, then you have to wrap it with triple quotes. Example: """#password;"""
 
 ### cert_file