Delete unnecessary code

wasm/src/tools/formatting.rs

@@ -164,19 +164,6 @@ pub fn parse_string_to_usize(
 ) -> Result<usize, Box<dyn Error>> {
  use crate::utils::{get_locale_string, LocaleCategory};
 
- if let Some(input) = input {
- if input.is_empty() {
- // This part of the code is possibly unreachable.
- let msg = get_locale_string(
- locales,
- LocaleCategory::Formatting,
- "Failed to read options. Please make sure there is no option with an empty value.",
- );
-
- return Err(msg.into());
- }
- }
-
  match input {
  Some(input) => match input.parse::<usize>() {
  Ok(num) => Ok(num),
@@ -189,19 +176,9 @@ pub fn parse_string_to_usize(
  "Failed to read options. Some of them are possibly not positive number values.",
  );
 
- #[allow(clippy::needless_return)]
- return Err(msg.into());
+ Err(msg.into())
  }
  },
- None => {
- let msg = get_locale_string(
- locales,
- LocaleCategory::Formatting,
- "Failed to read option properties.",
- );
-
- #[allow(clippy::needless_return)]
- return Err(msg.into());
- }
+ None => unreachable!(),
  }
 }