fix(wasm): revert partial lexer rename that leaked into wasm.rs

Author: dylan-sutton-chavez

compiler/src/wasm.rs

@@ -5,7 +5,7 @@
 #[cfg(target_arch = "wasm32")]
 mod runtime {
     use lol_alloc::LeakingPageAllocator;
-    use crate::modules::{lexer::lex, parser::{Parser, Diagnostic}, vm::{VM, Limits, VmErr}};
+    use crate::modules::{lexer::lexer, parser::Parser, vm::{VM, Limits, VmErr}};
     use alloc::string::String;
     use crate::s;