remove unused domain_origin config

src/config.rs

@@ -431,9 +431,6 @@ make_config! {
         domain:                 String, true,   def,    "http://localhost".to_string();
         /// Domain Set |> Indicates if the domain is set by the admin. Otherwise the default will be used.
         domain_set:             bool,   false,  def,    false;
-        /// Comma seperated list of domain origins |> Domain URL origin (in https://example.com:8443/path, https://example.com:8443 is the origin)
-        /// If specified manually, one entry needs to exist for every url in domain.
-        domain_origin:          String, false,  auto,   |c| extract_origins(&c.domain);
         /// Domain path |> Domain URL path (in https://example.com:8443/path, /path is the path)
         /// MUST be the same for all domains.
         domain_path:            String, false,  auto,   |c| extract_url_path(c.domain.split(',').next().expect("Missing domain"));
@@ -743,10 +740,6 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
         }
     }
 
-    if cfg.domain.split(',').count() != cfg.domain_origin.split(',').count() {
-        err!("Each DOMAIN_ORIGIN entry corresponds to exactly one entry in DOMAIN.");
-    }
-
     let whitelist = &cfg.signups_domains_whitelist;
     if !whitelist.is_empty() && whitelist.split(',').any(|d| d.trim().is_empty()) {
         err!("`SIGNUPS_DOMAINS_WHITELIST` contains empty tokens");
@@ -1018,24 +1011,6 @@ pub fn extract_url_origin(url: &str) -> String {
     }
 }
 
-// urls should be comma-seperated
-fn extract_origins(urls: &str) -> String {
-    let mut origins = urls
-        .split(',')
-        .map(extract_url_origin)
-        // TODO add itertools as dependency maybe
-        .fold(String::new(), |mut acc, origin| {
-            acc.push_str(&origin);
-            acc.push(',');
-            acc
-        });
-
-    // Pop trailing comma
-    origins.pop();
-
-    origins
-}
-
 /// Extracts the path from a URL.
 /// All trailing '/' chars are trimmed, even if the path is a lone '/'.
 fn extract_url_path(url: &str) -> String {