pretend: drop unused recipe. (#11962)

I couldn't find any usage on-tree for `pretend` since its introduction in
600dd392ea (`git log --since=2018-11 -S pretend_`
gave no results).

Users should try to `pip install` this, if they need it.

dev-python/pretend/pretend-1.0.9.recipe

@@ -1,65 +0,0 @@
-SUMMARY="A library for stubbing in Python"
-DESCRIPTION="Pretend is a library to make stubbing with Python easier. \
-Stubbing is a technique for writing tests."
-HOMEPAGE="https://github.com/alex/pretend
-	https://pypi.org/project/pretend/"
-COPYRIGHT="2012-2018 Alex Gaynor and individual contributors"
-LICENSE="BSD (3-clause)"
-REVISION="5"
-SOURCE_URI="https://files.pythonhosted.org/packages/source/p/pretend/pretend-$portVersion.tar.gz"
-CHECKSUM_SHA256="c90eb810cde8ebb06dafcb8796f9a95228ce796531bc806e794c2f4649aa1b10"
-
-ARCHITECTURES="any"
-
-PROVIDES="
-	pretend = $portVersion
-	"
-REQUIRES="
-	haiku
-	"
-
-BUILD_REQUIRES="
-	haiku_devel
-	"
-
-PYTHON_PACKAGES=(python39 python310)
-PYTHON_VERSIONS=(3.9 3.10)
-for i in "${!PYTHON_PACKAGES[@]}"; do
-	pythonPackage=${PYTHON_PACKAGES[i]}
-	pythonVersion=${PYTHON_VERSIONS[$i]}
-
-	eval "PROVIDES_${pythonPackage}=\"
-		${portName}_$pythonPackage = $portVersion
-		\""
-	eval "REQUIRES_$pythonPackage=\"
-		haiku
-		cmd:python$pythonVersion
-		\""
-	BUILD_REQUIRES+="
-		setuptools_$pythonPackage
-		"
-	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
-}