meta-python: drop ${PYTHON_PN}

python 2 is long unsupported, so we no longer need this variable.

Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-openpyxl_3.1.2.bb

@@ -12,12 +12,12 @@ inherit pypi setuptools3
 SRC_URI[sha256sum] = "a6f5977418eff3b2d5500d54d9db50c8277a368436f4e4f8ddb1be3422870184"
 
 RDEPENDS:${PN} += "\
-	${PYTHON_PN}-compression \
-	${PYTHON_PN}-io \
-	${PYTHON_PN}-pprint \
-	${PYTHON_PN}-shell \
-	${PYTHON_PN}-jdcal \
-	${PYTHON_PN}-et-xmlfile \
-	${PYTHON_PN}-numbers \
-	${PYTHON_PN}-xml \
+	python3-compression \
+	python3-io \
+	python3-pprint \
+	python3-shell \
+	python3-jdcal \
+	python3-et-xmlfile \
+	python3-numbers \
+	python3-xml \
 "