Remove emoji from docs

diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index f063c6b06767b6edf9b794cfd5ed812fc0ce5659..526c2e1c6b523c4cb5acdcdf4fb1564fa65ca758 100644 (file)
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -604,7 +604,7 @@ fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter> where
     /// iterators, returning a tuple where the first element comes from the
     /// first iterator, and the second element comes from the second iterator.
     ///
-    /// In other words, it zips two iterators together, into a single one. 🤐
+    /// In other words, it zips two iterators together, into a single one.
     ///
     /// When either iterator returns `None`, all further calls to `next()`
     /// will return `None`.