Do not invite rust-lang-owner to be an owner

It doesn't make sense, it already has to be an owner, otherwise it couldn't access these crates.

Author: Kobzol

sync-team/src/crates_io/api.rs

@@ -322,13 +322,6 @@ pub(crate) struct CratesIoOwner {
 }
 
 impl CratesIoOwner {
-    pub(crate) fn user(login: String) -> Self {
-        Self {
-            login,
-            kind: OwnerKind::User,
-        }
-    }
-
     pub(crate) fn team(org: String, name: String) -> Self {
         Self {
             login: format!("github:{org}:{name}"),

sync-team/src/crates_io/mod.rs

@@ -9,9 +9,6 @@ use secrecy::SecretString;
 use std::collections::{BTreeMap, HashSet};
 use std::fmt::{Display, Formatter};
 
-/// Special account that should own our managed crates.
-const RUST_LANG_OWNER_ACCOUNT: &str = "rust-lang-owner";
-
 #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
 struct CrateName(String);
 
@@ -161,14 +158,6 @@ impl SyncCratesIo {
                 .list_crate_owners(&krate.0)
                 .with_context(|| anyhow::anyhow!("Cannot list crate owners of {krate}"))?;
 
-            let mut owners_to_add = vec![];
-
-            let rust_lang_owner = CratesIoOwner::user(RUST_LANG_OWNER_ACCOUNT.to_string());
-            // Make sure that `rust-lang-owner` is an owner of each managed crate
-            if !owners.contains(&rust_lang_owner) {
-                owners_to_add.push(rust_lang_owner);
-            }
-
             // Sync team owners
             let existing_teams: HashSet<CratesIoOwner> = owners
                 .iter()
@@ -183,13 +172,14 @@ impl SyncCratesIo {
                 .iter()
                 .map(|team| CratesIoOwner::team(team.org.clone(), team.name.clone()))
                 .collect();
-            let teams_to_add = target_teams.difference(&existing_teams).cloned();
-            owners_to_add.extend(teams_to_add);
-
-            if !owners_to_add.is_empty() {
+            let teams_to_add = target_teams
+                .difference(&existing_teams)
+                .cloned()
+                .collect::<Vec<_>>();
+            if !teams_to_add.is_empty() {
                 crate_diffs.push(CrateDiff::AddOwners {
                     krate: krate.to_string(),
-                    owners: owners_to_add,
+                    owners: teams_to_add,
                 });
             }