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-unoconv_0.9.0.bb

@@ -11,9 +11,9 @@ inherit pypi setuptools3
 PYPI_PACKAGE="unoconv"
 
 RDEPENDS:${PN} += "\
-    ${PYTHON_PN}-setuptools \
-    ${PYTHON_PN}-core \
-    ${PYTHON_PN}-shell \
+    python3-setuptools \
+    python3-core \
+    python3-shell \
 "
 
 do_install:append() {