remove deprecated classes

[gvwilson]

The following classes are marked as deprecated in codegen/compatibility.py and should be removed in an upcoming release.

• Data
• Annotations
• Frames
• AngularAxis
• Annotation
• ColorBar
• Contours
• ErrorX
• ErrorY
• ErrorZ
• Font
• Legend
• Line
• Margin
• Marker
• RadialAxis
• Scene
• Stream
• XAxis
• YAxis
• ZAxis
• XBins
• YBins
• Trace
• Histogram2dcontour