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-sdbus_0.11.1.bb

@@ -9,9 +9,9 @@ REQUIRED_DISTRO_FEATURES = "systemd"
 DEPENDS += "systemd"
 
 RDEPENDS:${PN} += " \
-    ${PYTHON_PN}-asyncio \
-    ${PYTHON_PN}-numbers \
-    ${PYTHON_PN}-core \
+    python3-asyncio \
+    python3-numbers \
+    python3-core \
 "
 
 inherit pypi setuptools3 features_check pkgconfig