python3-pydbus: remove obsolete recipe

This project has been untouched since 2018 and doesn't appear to have
any real dependents.

If something similar to pydbus is needed, then a maintained alternative
would be https://github.com/rhinstaller/dasbus (recipe available in
meta-anaconda).

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-core/packagegroups/packagegroup-meta-python.bb

@@ -314,7 +314,6 @@ RDEPENDS:packagegroup-meta-python3 = "\
     python3-pycodestyle \
     python3-pyconnman \
     python3-pycurl \
-    python3-pydbus \
     python3-pydicti \
     python3-pyephem \
     python3-pyexpect \