python-packaging: remove noarch.

srcpkgs/python-packaging/template

@@ -1,8 +1,7 @@
 # Template file for 'python-packaging'
 pkgname=python-packaging
 version=19.1
-revision=3
-archs=noarch
+revision=4
 wrksrc="packaging-${version}"
 build_style=python-module
 pycompile_module="packaging"
@@ -20,7 +19,6 @@ post_install() {
 }
 
 python3-packaging_package() {
-	archs=noarch
 	pycompile_module="packaging"
 	depends="python3-attrs python3-parsing python3-six"
 	short_desc="${short_desc/Python2/Python3}"