remove unnecessary dead code markers

Author: Flaque

cel/src/duration.rs

@@ -8,11 +8,8 @@ use nom::number::complete::double;
 use nom::IResult;
 
 // Constants representing time units in nanoseconds
-#[allow(dead_code)]
 const SECOND: u64 = 1_000_000_000;
-#[allow(dead_code)]
 const MILLISECOND: u64 = 1_000_000;
-#[allow(dead_code)]
 const MICROSECOND: u64 = 1_000;
 
 /// Parses a duration string into a [`Duration`]. Duration strings support the

cel/src/parser/parser.rs

@@ -69,7 +69,6 @@ impl Display for ParseErrors {
 
 impl Error for ParseErrors {}
 
-#[allow(dead_code)]
 #[derive(Debug)]
 pub struct ParseError {
     pub source: Option<Box<dyn Error + Send + Sync + 'static>>,