Remove CONFIG.email_invitation option

src/api/core/organizations.rs

@@ -479,7 +479,7 @@ fn send_invite(org_id: String, data: JsonUpcase<InviteData>, headers: AdminHeade
             }
         }
 
-        if CONFIG.email_invitations {
+        if CONFIG.mail.is_some() {
             use crate::mail;
             use chrono::{Duration, Utc};
             let time_now = Utc::now().naive_utc();

src/main.rs

@@ -271,7 +271,6 @@ pub struct Config {
     local_icon_extractor: bool,
     signups_allowed: bool,
     invitations_allowed: bool,
-    email_invitations: bool,
     server_admin_email: Option<String>,
     password_iterations: i32,
     show_password_hint: bool,
@@ -322,7 +321,6 @@ impl Config {
             signups_allowed: get_env_or("SIGNUPS_ALLOWED", true),
             server_admin_email: get_env("SERVER_ADMIN_EMAIL"),
             invitations_allowed: get_env_or("INVITATIONS_ALLOWED", true),
-            email_invitations: get_env_or("EMAIL_INVITATIONS", false),
             password_iterations: get_env_or("PASSWORD_ITERATIONS", 100_000),
             show_password_hint: get_env_or("SHOW_PASSWORD_HINT", true),