style(header): clean up extra whitespace in ContentLength file

src/header/common/content_length.rs

@@ -4,7 +4,7 @@ use header::{Header, Raw, parsing};
 
 /// `Content-Length` header, defined in
 /// [RFC7230](http://tools.ietf.org/html/rfc7230#section-3.3.2)
-/// 
+///
 /// When a message does not have a `Transfer-Encoding` header field, a
 /// Content-Length header field can provide the anticipated size, as a
 /// decimal number of octets, for a potential payload body.  For messages
@@ -13,27 +13,25 @@ use header::{Header, Raw, parsing};
 /// body (and message) ends.  For messages that do not include a payload
 /// body, the Content-Length indicates the size of the selected
 /// representation.
-/// 
+///
 /// # ABNF
 /// ```plain
 /// Content-Length = 1*DIGIT
 /// ```
-/// 
+///
 /// # Example values
 /// * `3495`
-/// 
+///
 /// # Example
 /// ```
 /// use hyper::header::{Headers, ContentLength};
-/// 
+///
 /// let mut headers = Headers::new();
 /// headers.set(ContentLength(1024u64));
 /// ```
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub struct ContentLength(pub u64);
 
-//static NAME: &'static str = "Content-Length";
-
 impl Header for ContentLength {
     #[inline]
     fn header_name() -> &'static str {