Deprecate kaleido #608

Job	Run time
Clippy	3m 43s
Rustfmt	17s
Build Wasm Examples (callback-example)	59s
semver	56s
Tests (ubuntu-latest)	3m 2s
Build Book	3m 22s
Code Coverage	18s
Tests (windows-latest)	6m 13s
Build Wasm Examples (basic)	58s
Tests (macos-latest)	2m 15s
Build Examples (3d_charts)	35s
Build Examples (ndarray)	34s
Build Examples (maps)	46s
Build Examples (shapes)	33s
Build Examples (custom_controls)	37s
Build Examples (basic_charts)	34s
Build Examples (kaleido)	1m 44s
Build Examples (customization)	35s
Build Examples (subplots)	34s
Build Examples (scientific_charts)	33s
Build Examples (financial_charts)	33s
Build Examples (images)	51s
Build Examples (themes)	33s
Build Examples (static_export)	1m 40s
	32m 45s

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