Deprecate kaleido #622

Job	Run time
Rustfmt	13s
Clippy	1m 25s
Code Coverage	19s
Tests (ubuntu-latest)	2m 52s
semver	55s
Tests (macos-latest)	2m 19s
Build Wasm Examples (callback-example)	55s
Build Wasm Examples (basic)	56s
Test Static Export with Chrome (Windows)	3m 28s
Build Examples (3d_charts)	34s
Build Examples (basic_charts)	34s
Build Examples (ndarray)	33s
Build Examples (kaleido)	1m 19s
Build Examples (customization)	33s
Build Book	3m 10s
Build Examples (subplots)	31s
Build Examples (images)	47s
Build Examples (scientific_charts)	32s
Build Examples (custom_controls)	35s
Build Examples (maps)	44s
Build Examples (shapes)	33s
Build Examples (financial_charts)	34s
Build Examples (themes)	34s
Build Examples (static_export)	1m 28s
	26m 23s

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