fix: Display implementation of OrderedRange

Author: manuelpelloni

src/headers/mod.rs

@@ -91,7 +91,7 @@ impl OrderedRange {
 
 impl Display for OrderedRange {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{UNIT}={}-{}", self.start(), self.end())
+        write!(f, "{}-{}", self.start(), self.end())
     }
 }