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-langtable_0.0.64.bb

@@ -16,8 +16,8 @@ DISTUTILS_INSTALL_ARGS += " \
 FILES:${PN} += "${datadir}/*"
 
 RDEPENDS:${PN} += " \
-    ${PYTHON_PN}-compression \
-    ${PYTHON_PN}-doctest \
-    ${PYTHON_PN}-logging \
-    ${PYTHON_PN}-xml \
+    python3-compression \
+    python3-doctest \
+    python3-logging \
+    python3-xml \
 "