package/python-pexpect: drop python2 support

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-pexpect/python-pexpect.mk

@@ -11,14 +11,4 @@ PYTHON_PEXPECT_LICENSE = ISC
 PYTHON_PEXPECT_LICENSE_FILES = LICENSE
 PYTHON_PEXPECT_SETUP_TYPE = distutils
 
-# async.py is not usable with Python 2, and removing is the solution
-# recommended by upstream:
-# https://github.com/pexpect/pexpect/issues/290
-ifeq ($(BR2_PACKAGE_PYTHON),y)
-define PYTHON_PEXPECT_REMOVE_ASYNC_PY
-	$(RM) $(@D)/pexpect/_async.py
-endef
-PYTHON_PEXPECT_POST_PATCH_HOOKS += PYTHON_PEXPECT_REMOVE_ASYNC_PY
-endif
-
 $(eval $(python-package))