python-cryptography: Update to 2.9, remove setup patch

Since cffi is installed by HOST_PYTHON3_PACKAGE_BUILD_DEPENDS, it
shouldn't be necessary to clear setup_requirements anymore.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/python-cryptography/Makefile

@@ -8,11 +8,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=python-cryptography
-PKG_VERSION:=2.8
+PKG_VERSION:=2.9
 PKG_RELEASE:=1
 
 PYPI_NAME:=cryptography
-PKG_HASH:=3cda1f0ed8747339bbdf71b9f38ca74c7b592f24f65cdb3ab3765e4b02871651
+PKG_HASH:=0cacd3ef5c604b8e5f59bf2582c076c98a37fe206b31430d0cd08138aff0986e
 
 PKG_LICENSE:=Apache-2.0 BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE.APACHE LICENSE.BSD

lang/python/python-cryptography/patches/001-disable-setup-requirements.patch

@@ -1,10 +0,0 @@
---- a/setup.py
-+++ b/setup.py
-@@ -243,6 +243,7 @@ class DummyPyTest(test):
- with open(os.path.join(base_dir, "README.rst")) as f:
-     long_description = f.read()
- 
-+setup_requirements=[]
- 
- setup(
-     name=about["__title__"],