Remove duplicate '@lesteve' link from CHANGELOG

Author: nicoddemus

CHANGELOG.rst

@@ -40,7 +40,6 @@ Changes
 .. _@fushi: https://github.com/fushi
 .. _@mattduck: https://github.com/mattduck
 .. _@wheerd: https://github.com/wheerd
-.. _@lesteve: https://github.com/lesteve
 
 .. _#1512: https://github.com/pytest-dev/pytest/issues/1512
 .. _#1874: https://github.com/pytest-dev/pytest/pull/1874