fix: minor things

Author: Totodore

quickwit/quickwit-search/src/list_fields.rs

@@ -41,16 +41,6 @@ use crate::{
     search_thread_pool,
 };
 
-/// QW_FIELD_LIST_SIZE_LIMIT defines a hard limit on the number of fields that
-/// can be returned (error otherwise).
-///
-/// Having many fields can happen when a user is creating fields dynamically in
-/// a JSON type with random field names. This leads to huge memory consumption
-/// when building the response. This is a workaround until a way is found to
-/// prune the long tail of rare fields.
-static FIELD_LIST_SIZE_LIMIT: LazyLock<usize> =
-    LazyLock::new(|| quickwit_common::get_from_env("QW_FIELD_LIST_SIZE_LIMIT", 100_000, false));
-
 const DYNAMIC_FIELD_PREFIX: &str = "_dynamic.";
 
 /// Get the list of fields in the given split.