sphinx: clean up, drop _python39 package. (#11605)

Also cleanup and drop _python39 from related recipes:

- alabaster
- sphinx_rtd_theme
- sphinx_argparse
- sphinxcontrib_applehelp
- sphinxcontrib_devhelp
- sphinxcontrib_htmlhelp
- sphinxcontrib_jquery
- sphinxcontrib_jsmath
- sphinxcontrib_qthelp
- sphinxcontrib_serializinghtml

dev-python/sphinxcontrib-serializinghtml/sphinxcontrib_serializinghtml-1.1.5.recipe

@@ -5,7 +5,7 @@ HOMEPAGE="http://sphinx-doc.org/
 	https://pypi.org/project/sphinxcontrib-serializinghtml/"
 COPYRIGHT="2007-2019 by the Sphinx team"
 LICENSE="BSD (2-clause)"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://pypi.python.org/packages/source/s/sphinxcontrib-serializinghtml/sphinxcontrib-serializinghtml-$portVersion.tar.gz"
 CHECKSUM_SHA256="aa5f6de5dfdf809ef505c4895e51ef5c9eac17d0f287933eb49ec495280b6952"
 SOURCE_DIR="sphinxcontrib-serializinghtml-$portVersion"
@@ -23,12 +23,12 @@ BUILD_REQUIRES="
 	haiku_devel
 	"
 
-PYTHON_PACKAGES=(python39 python310)
-PYTHON_VERSIONS=(3.9 3.10)
-defaultTestVersion="python39"
-for i in "${!PYTHON_PACKAGES[@]}"; do
-	pythonPackage=${PYTHON_PACKAGES[i]}
+PYTHON_VERSIONS=(3.10)
+defaultTestVersion=3.10
+
+for i in "${!PYTHON_VERSIONS[@]}"; do
 	pythonVersion=${PYTHON_VERSIONS[$i]}
+	pythonPackage=python${pythonVersion//.}
 
 	eval "PROVIDES_$pythonPackage=\"
 		${portName}_$pythonPackage = $portVersion
@@ -49,21 +49,22 @@ for i in "${!PYTHON_PACKAGES[@]}"; do
 done
 
 TEST_REQUIRES="
-	sphinx_$defaultTestVersion
+	sphinx_python$defaultTestVersion
 	cmd:pytest
 	"
 
 INSTALL()
 {
-	for i in "${!PYTHON_PACKAGES[@]}"; do
+	for i in "${!PYTHON_VERSIONS[@]}"; do
 		pythonVersion=${PYTHON_VERSIONS[$i]}
+		pythonPackage=python${pythonVersion//.}
 
 		python=python$pythonVersion
 
 		$python -m build --wheel --skip-dependency-check --no-isolation
 		$python -m installer -p $prefix dist/*.whl
 
-		packageEntries ${PYTHON_PACKAGES[i]} \
+		packageEntries $pythonPackage \
 			$prefix/lib/python*
 	done
 }