chore(parser): remove IterInput TODOs

After testing, `IterInput` seems to be somehow significantly slower than
`MappedInput` with a slice

Author: ALVAROPING1

src/parser.rs

@@ -189,8 +189,6 @@ macro_rules! parse_with {
         let src = $src.with_context(FileID::SRC);
         || -> Result<_, ParseError> {
             let tokens = lexer::lexer($comment_prefix).parse(src).into_result()?;
-            // TODO: replace with `chumsky::input::IterInput` on chumsky 0.10.2 (on 0.10.1 it
-            // doesn't implement the correct traits)
             let tokens = tokens.map(end, |(x, s)| (x, s));
             let res = $parser.parse(tokens).into_result()?;
             Ok(res)

src/parser/instruction.rs

@@ -47,8 +47,6 @@ pub type ParsedArgs = Vec<ParsedArgument>;
 /// Input type to be used with instruction argument parsers
 // NOTE: we need to name this input type to be able to box the parsers, which is required to store
 // them on a struct
-// TODO: replace with `chumsky::input::IterInput` on chumsky 0.10.2 (on 0.10.1 it doesn't implement
-// the correct traits)
 type TokenInput<'src> =
     MappedInput<Token, Span, &'src [Spanned<Token>], fn(&Spanned<Token>) -> (&Token, &Span)>;