lang: remove empty recursive parser module

crates/lang/src/parser/parser.rs

@@ -1,6 +0,0 @@
-//! The parser architecture is *heavily* inspired (and partially copied and adapted) from the amazing rust-analyzer
-use drop_bomb::DropBomb;
-
-use self::{error::SyntaxError, events::Event, input::Input};
-
-use super::syntax_kind::SyntaxKind;