Python 2 Removal TODOs

Base	Transitive Reverse Dependencies	Dual Python Package
mingw-w64-cegui	0
mingw-w64-inkscape	0
mingw-w64-python2-pip	0
mingw-w64-vera++	0
python2-pip	0
mingw-w64-python2-setuptools	1
python2-setuptools	1
mingw-w64-python2-pygtk	2
mingw-w64-pygobject2	3	✓
mingw-w64-python2-pycairo	3
pacman	3
mingw-w64-wxPython	17
mingw-w64-wxWidgets	39
mingw-w64-kicad	64
mingw-w64-graphviz	1054
mingw-w64-libglade	1054
mingw-w64-python2	1054
mingw-w64-qtwebkit	1054
mingw-w64-rust	1054
automake1.10	3218
automake1.11	3218
automake1.12	3218
automake1.13	3218
automake1.14	3218
automake1.15	3218
automake1.16	3218
automake1.6	3218
automake1.7	3218
automake1.8	3218
automake1.9	3218
git	3218
gnome-doc-utils	3218
itstool	3218
python2	3218
subversion	3218
vim	3218
gamin	6436
libxml2	6436	✓
heimdal	9654
libxslt	9654