Deprecate kaleido #672

Job	Run time
Rustfmt	16s
Clippy	3m 42s
Build Book	3m 11s
semver	59s
Build Wasm Examples (basic)	1m 1s
Code Coverage	21s
Tests (ubuntu-latest)	2m 54s
Tests (macos-latest)	1m 48s
Tests (windows-latest)	5m 38s
Build Wasm Examples (callback-example)	57s
Build Examples (custom_controls)	34s
Build Examples (customization)	35s
Build Examples (kaleido)	1m 22s
Build Examples (basic_charts)	35s
Build Examples (images)	50s
Build Examples (static_export)	1m 34s
Build Examples (maps)	45s
Build Examples (3d_charts)	34s
Build Examples (themes)	35s
Build Examples (scientific_charts)	36s
Build Examples (financial_charts)	35s
Build Examples (shapes)	32s
Build Examples (subplots)	34s
Build Examples (ndarray)	37s
	31m 5s

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