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/sphinx-argparse/sphinx_argparse-0.4.0.recipe

@@ -4,7 +4,7 @@ and options"
 HOMEPAGE="https://pypi.org/project/sphinx-argparse/"
 COPYRIGHT="2013 Alex Rudakov"
 LICENSE="MIT"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://github.com/ashb/sphinx-argparse/releases/download/v0.4.0/sphinx_argparse-$portVersion-py3-none-any.whl#noarchive"
 CHECKSUM_SHA256="73bee01f7276fae2bf621ccfe4d167af7306e7288e3482005405d9f826f9b037"
 
@@ -21,11 +21,11 @@ BUILD_REQUIRES="
 	haiku_devel
 	"
 
-PYTHON_PACKAGES=(python39 python310)
-PYTHON_VERSIONS=(3.9 3.10)
-for i in "${!PYTHON_PACKAGES[@]}"; do
-	pythonPackage=${PYTHON_PACKAGES[i]}
+PYTHON_VERSIONS=(3.10)
+
+for i in "${!PYTHON_VERSIONS[@]}"; do
 	pythonVersion=${PYTHON_VERSIONS[$i]}
+	pythonPackage=python${pythonVersion//.}
 
 	eval "PROVIDES_${pythonPackage}=\"
 		${portName}_$pythonPackage = $portVersion
@@ -34,7 +34,7 @@ for i in "${!PYTHON_PACKAGES[@]}"; do
 		haiku
 		cmd:python$pythonVersion
 		\""
-	BUILD_PREREQUIRES="$BUILD_PREREQUIRES
+	BUILD_PREREQUIRES+="
 		installer_$pythonPackage
 		cmd:python$pythonVersion
 		"
@@ -42,13 +42,14 @@ done
 
 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 installer -p $prefix $portName-$portVersion-py3-none-any.whl
 
-		packageEntries ${PYTHON_PACKAGES[i]} \
+		packageEntries $pythonPackage \
 			$prefix/lib/python*
 	done
 }