Simplify SVG CSS
Simplify SVG CSS

Move width and height into shaka-spinner-svg class
Drop unused color animation

Change-Id: Ic8f7abc03c68842c79d89938014add3732284e8d

tvoli/shaka-player,tvoli/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player