Remove pypy

Author: congminh1254

tox.ini

@@ -8,11 +8,8 @@ envlist =
   pycodestyle,
   pylint,
   py36,
-  pypy36,
   py37,
-  pypy37,
   py38,
-  pypy38,
   py39,
   py310,
   py311,
@@ -24,11 +21,8 @@ envlist =
 [gh-actions]
 python =
     3.6: py36, pycodestyle, pylint
-    pypy-3.6: pypy36
     3.7: py37
-    pypy-3.7: pypy37
     3.8: py38
-    pypy-3.8: pypy38
     3.9: py39
     3.10: py310
     3.11: py311