Remove bundle-treemap example.

Replaced by <http://bl.ocks.org/4341134>.
Remove calendar examples.

Replaced by <http://bl.ocks.org/4063318>.
Remote delaunay example.

Replaced by <http://bl.ocks.org/4341156>.
Remove donut example.

Replaced by <http://bl.ocks.org/4341417>.
Remove zoom example.

Replaced by <http://bl.ocks.org/1667367>.
Remove parallel example.

Replaced by <http://bl.ocks.org/1341021>.
Remove pie-transition.

Replaced by <http://bl.ocks.org/4341574>.
Remove marker example.

Replaced by <http://bl.ocks.org/1153292>.
Remove hull example.

Replaced by <http://bl.ocks.org/4341699>.
Remove transform example.

Replaced by <http://bl.ocks.org/1345853>.
Remove line examples.
Remove cruft.
Remove kde example.

Replaced by <http://bl.ocks.org/4341954>.
Remove great-arc example.
Remove drag example.

Replaced by <http://bl.ocks.org/1557377>.
Remove mercator examples.

Replaced by <http://bl.ocks.org/2374239>.
Remove symbol-map example.

Replaced by <http://bl.ocks.org/4342045>.
Move touch example to tests.
Remove axis-multiples example.

Replaced by <http://bl.ocks.org/1157787>.
Remove axis-transition example.

Replaced by <http://bl.ocks.org/1166403>.