Deprecate kaleido #650

Job	Run time
Build Book	3m 11s
Rustfmt	13s
semver	55s
Tests (ubuntu-latest)	3m 0s
Clippy	3m 41s
Tests (windows-latest)	6m 9s
Tests (macos-latest)	4m 17s
Code Coverage	18s
Build Wasm Examples (basic)	57s
Build Examples (3d_charts)	32s
Build Examples (financial_charts)	36s
Build Examples (images)	50s
Build Examples (customization)	34s
Build Wasm Examples (callback-example)	58s
Build Examples (maps)	45s
Build Examples (basic_charts)	35s
Build Examples (ndarray)	34s
Build Examples (static_export)	1m 36s
Build Examples (themes)	34s
Build Examples (scientific_charts)	33s
Build Examples (subplots)	34s
Build Examples (custom_controls)	37s
Build Examples (kaleido)	1m 45s
Build Examples (shapes)	32s
	34m 16s

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