feat: remove remaining use of session.toml

template/docs/syscalls.md

@@ -568,7 +568,7 @@ montauk::config::save("desktop", &doc);
 
 Header: `montauk/user.h`
 
-User authentication and session management with SHA-256 password hashing.
+User authentication and current-user helpers with SHA-256 password hashing.
 
 ```cpp
 bool user::authenticate(const char* username, const char* password);
@@ -577,8 +577,6 @@ bool user::create_user(const char* username, const char* display_name,
 bool user::delete_user(const char* username);
 bool user::change_password(const char* username, const char* new_password);
 
-void user::set_session(const char* username);         // Log in
-void user::clear_session();                           // Log out
 bool user::get_session_username(char* buf, int sz);   // Get current process user
 bool user::get_home_dir(char* buf, int sz);           // Get current process home directory
 ```