meta-python: Drop RDEPEND'ing on python3-typing

Its part of core python package now

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>

meta-python/recipes-devtools/python/python3-aiohttp_3.7.2.bb

@@ -16,6 +16,5 @@ RDEPENDS_${PN} = "\
     ${PYTHON_PN}-idna-ssl \
     ${PYTHON_PN}-misc \
     ${PYTHON_PN}-multidict \
-    ${PYTHON_PN}-typing \
     ${PYTHON_PN}-yarl \
 "