revert codeowners change

Author: rickeylev

.github/CODEOWNERS

@@ -672,7 +672,6 @@ peps/pep-0791.rst  @vstinner
 peps/pep-0792.rst  @dstufft
 peps/pep-0793.rst  @encukou
 peps/pep-0794.rst  @brettcannon
-peps/pep-0796.rst  @rickeylev
 # ...
 peps/pep-0801.rst  @warsaw
 # ...