Remodel Many Autotilesets as Autotileset-Corners #2601

Job	Run time
clickable (Debug, amd64, glew)	11m 40s
clickable (Debug, amd64, sdl)	11m 15s
clickable (Debug, armhf, glew)	10m 49s
clickable (Debug, armhf, sdl)	10m 15s
clickable (Release, amd64, glew)	11m 13s
clickable (Release, amd64, sdl)	11m 21s
clickable (Release, arm64, glew)	11m 32s
clickable (Release, arm64, sdl)	11m 0s
clickable (Release, armhf, glew)	10m 29s
clickable (Release, armhf, sdl)	9m 48s
	1h 49m 22s

Provide feedback