Deprecate kaleido #648

Job	Run time
Rustfmt	13s
Clippy	3m 34s
Code Coverage	22s
Tests (windows-latest)	5m 46s
Tests (ubuntu-latest)	3m 3s
Build Book	3m 2s
Build Wasm Examples (basic)	54s
Build Wasm Examples (callback-example)	57s
Tests (macos-latest)	2m 42s
Build Examples (customization)	34s
Build Examples (3d_charts)	34s
semver	1m 8s
Build Examples (basic_charts)	39s
Build Examples (financial_charts)	35s
Build Examples (custom_controls)	36s
Build Examples (ndarray)	33s
Build Examples (kaleido)	1m 30s
Build Examples (shapes)	36s
Build Examples (images)	54s
Build Examples (maps)	44s
Build Examples (subplots)	34s
Build Examples (scientific_charts)	33s
Build Examples (static_export)	1m 41s
Build Examples (themes)	35s
	32m 19s

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