pywebsocket: retire Python 2.x-only recipe. (#8769)

Upstream repo got archived in 2020, and nothing uses it in-tree.

If needed, a new recipe can be made for "pywebsocket3":
https://github.com/GoogleChromeLabs/pywebsocket3

Or one for the unrelated to original pywebsocket:

https://pypi.org/project/pywebsocket/

dev-python/pywebsocket/pywebsocket-0.8.recipe

@@ -1,58 +0,0 @@
-SUMMARY="WebSocket server and extension for Apache HTTP Server for testing"
-DESCRIPTION="The pywebsocket project aims to provide a WebSocket standalone \
-server and a WebSocket extension for Apache HTTP Server, mod_pywebsocket.
-
-pywebsocket is intended for testing or experimental purposes. To run with \
-Apache HTTP Server, mod_python is required. For wss, mod_ssl is also required.
-
-pywebsocket supports RFC 6455 (and some legacy protocols) and the following extension.
-* WebSocket Per-message Compression (permessage-deflate)"
-HOMEPAGE="https://github.com/google/pywebsocket"
-COPYRIGHT="2012-2015 Google Inc."
-LICENSE="BSD (3-clause)"
-REVISION="1"
-SOURCE_URI="https://github.com/google/pywebsocket/archive/pywebsocket-0.8.tar.gz"
-CHECKSUM_SHA256="6bba6b0c2caec9094b21cfa34befd4a2f6e0594e5290d9b68b9bf4efb518fc17"
-SOURCE_DIR="pywebsocket-pywebsocket-$portVersion"
-
-ARCHITECTURES="any"
-
-PROVIDES="
-	$portName = $portVersion
-	"
-REQUIRES="
-	haiku
-	cmd:python2.7
-	"
-
-BUILD_REQUIRES="
-	haiku_devel
-	setuptools_python
-	"
-BUILD_PREREQUIRES="
-	cmd:python2.7
-"
-
-BUILD()
-{
-	cd src
-
-	python=python2.7
-	installLocation=$prefix/lib/$python/vendor-packages/
-	export PYTHONPATH=$installLocation:$PYTHONPATH
-	mkdir -p $installLocation
-	rm -rf build
-	$python setup.py build
-}
-
-INSTALL()
-{
-	cd src
-
-	python=python2.7
-	installLocation=$prefix/lib/$python/vendor-packages/
-	export PYTHONPATH=$installLocation:$PYTHONPATH
-	mkdir -p $installLocation
-	rm -rf build
-	$python setup.py build install --root=/ --prefix=$prefix
-}