chore: remove custom global allocator

crates/admin/Cargo.toml

@@ -17,5 +17,4 @@ serde_json.workspace = true
 
 itertools.workspace = true
 snafu.workspace = true
-memdb.workspace = true
-mimalloc = "0.1.50"
+memdb.workspace = true

crates/admin/src/main.rs

@@ -18,7 +18,6 @@
 
 use console::style;
 use dialoguer::{theme::ColorfulTheme, Select};
-use mimalloc::MiMalloc;
 
 use crate::{migrate::handle_migration, reset::handle_reset_password};
 
@@ -26,8 +25,6 @@ pub mod meta;
 pub mod migrate;
 pub mod reset;
 
-#[global_allocator]
-static GLOBAL: MiMalloc = MiMalloc;
 
 fn main() {
     run_interactive();