Deprecate kaleido #620

Job	Run time
Clippy	3m 49s
Tests (macos-latest)	5m 28s
Tests (ubuntu-latest)	2m 37s
semver	53s
Code Coverage	22s
Rustfmt	14s
Build Wasm Examples (callback-example)	57s
Build Wasm Examples (basic)	58s
Build Examples (customization)	33s
Test Static Export with Chrome (Windows)	4m 28s
Build Examples (custom_controls)	34s
Build Examples (basic_charts)	35s
Build Examples (financial_charts)	35s
Build Examples (scientific_charts)	32s
Build Examples (kaleido)	1m 31s
Build Examples (ndarray)	35s
Build Examples (3d_charts)	33s
Build Examples (maps)	46s
Build Examples (images)	49s
Build Examples (shapes)	33s
Build Examples (themes)	33s
Build Book	3m 18s
Build Examples (subplots)	35s
Build Examples (static_export)	1m 30s
	33m 18s

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