Rollup merge of #23329 - jbcrail:rm-syntax-highlight, r=sanxiyn

 As suggested by @steveklabnik in #23254, I removed the redundant Rust syntax highlighting from the documentation.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libserialize/hex.rs b/src/libserialize/hex.rs
index 26994a6d79d..1f8d45a007d 100644
--- a/src/libserialize/hex.rs
+++ b/src/libserialize/hex.rs
@@ -31,7 +31,7 @@ impl ToHex for [u8] {
     ///
     /// # Examples
     ///
-    /// ```rust
+    /// ```
     /// extern crate serialize;
     /// use serialize::hex::ToHex;
     ///
@@ -100,7 +100,7 @@ impl FromHex for str {
     ///
     /// This converts a string literal to hexadecimal and back.
     ///
-    /// ```rust
+    /// ```
     /// extern crate serialize;
     /// use serialize::hex::{FromHex, ToHex};
     ///