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-django_4.2.10.bb

@@ -4,8 +4,8 @@ inherit setuptools3
 SRC_URI[sha256sum] = "b1260ed381b10a11753c73444408e19869f3241fc45c985cd55a30177c789d13"
 
 RDEPENDS:${PN} += "\
-    ${PYTHON_PN}-sqlparse \
-    ${PYTHON_PN}-asgiref \
+    python3-sqlparse \
+    python3-asgiref \
 "
 
 # Set DEFAULT_PREFERENCE so that the LTS version of django is built by