fix(lib): remove logs that contain request and response data

Closes #1281

src/http/mod.rs

@@ -150,23 +150,6 @@ pub trait Http1Transaction {
 
 pub type ParseResult<T> = ::Result<Option<(MessageHead<T>, usize)>>;
 
-struct DebugTruncate<'a>(&'a [u8]);
-
-impl<'a> fmt::Debug for DebugTruncate<'a> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let bytes = self.0;
-        if bytes.len() > 32 {
-            try!(f.write_str("["));
-            for byte in &bytes[..32] {
-                try!(write!(f, "{:?}, ", byte));
-            }
-            write!(f, "... {}]", bytes.len())
-        } else {
-            fmt::Debug::fmt(bytes, f)
-        }
-    }
-}
-
 #[test]
 fn test_should_keep_alive() {
     let mut headers = Headers::new();