aiorpcx: drop recipe. (#11894)

Nothing uses it on-tree, and nothing ever did since it was introduced
(`git log --since=2019 -S aiorpcx` gives nothing).

Let people pip install this if they need it.

dev-python/aiorpcx/aiorpcx-0.21.0.recipe

@@ -1,60 +0,0 @@
-SUMMARY="Generic async RPC implementation, including JSON-RPC"
-DESCRIPTION="A generic asyncio library implementation of RPC suitable for an \
-application that is a client, server or both."
-HOMEPAGE="https://github.com/kyuupichan/aiorpcX/"
-COPYRIGHT="2018 Neil Booth"
-LICENSE="MIT"
-REVISION="3"
-SOURCE_URI="https://github.com/kyuupichan/aiorpcX/archive/$portVersion.tar.gz"
-CHECKSUM_SHA256="99d88850a3663bcccc0fe8adf44ea6b6b6831f7fa728fb0485654efe0bc325e5"
-SOURCE_DIR="aiorpcX-$portVersion"
-
-ARCHITECTURES="any"
-
-PROVIDES="
-	$portName = $portVersion
-	"
-REQUIRES="
-	haiku
-	"
-
-BUILD_REQUIRES="
-	haiku_devel
-	"
-
-PYTHON_PACKAGES=(python39 python310)
-PYTHON_VERSIONS=(3.9 3.10)
-for i in "${!PYTHON_PACKAGES[@]}"; do
-pythonPackage=${PYTHON_PACKAGES[i]}
-pythonVersion=${PYTHON_VERSIONS[$i]}
-eval "PROVIDES_${pythonPackage}=\"\
-	${portName}_$pythonPackage = $portVersion\
-	\"; \
-REQUIRES_$pythonPackage=\"\
-	haiku\n\
-	cmd:python$pythonVersion\
-	\""
-BUILD_REQUIRES="$BUILD_REQUIRES
-	setuptools_$pythonPackage"
-BUILD_PREREQUIRES="$BUILD_PREREQUIRES
-	cmd:python$pythonVersion"
-done
-
-INSTALL()
-{
-	for i in "${!PYTHON_PACKAGES[@]}"; do
-		pythonPackage=${PYTHON_PACKAGES[i]}
-		pythonVersion=${PYTHON_VERSIONS[$i]}
-
-		python=python$pythonVersion
-		installLocation=$prefix/lib/$python/vendor-packages/
-		export PYTHONPATH=$installLocation:$PYTHONPATH
-		mkdir -p $installLocation
-		rm -rf build
-		$python setup.py build install \
-			--root=/ --prefix=$prefix
-
-		packageEntries  $pythonPackage \
-			$prefix/lib/python*
-	done
-}