Remove all turn circles
Remove all turn circles

* Turn circles are made with bitmaps (two per turn circle, one for
  casing and one for fill). It would be too heavy to redo all the work
  for bigger roads and different colours. We thus simply remove
  them. The map is still clean and readable.

Signed-off-by: David MENTRE <3a08307e8fc56a7279f7b4cd8bf477f84433a928@linux-france.org>
Signed-off-by: Sylvain Collilieux <220beee1e7109cdd1ee75c5c980de34352cf48ab@collilieux.net>

dittaeva/ocitysmap,maposmatic/ocitysmap,maposmatic/ocitysmap,maposmatic/ocitysmap,dittaeva/ocitysmap