Fix warnings.

src/parser/clock.rs

@@ -15,7 +15,7 @@ use super::Context;
 use crate::error::Res;
 use crate::parser::parser_with_context::parser_with_context;
 use crate::parser::util::get_consumed;
-use crate::parser::util::maybe_consume_trailing_whitespace_if_not_exiting;
+
 use crate::parser::util::start_of_line;
 use crate::parser::Clock;