Deprecate kaleido #636

Job	Run time
Clippy	3m 50s
Rustfmt	14s
semver	1m 5s
Tests (macos-latest)	5s
Tests (ubuntu-latest)	3m 8s
Build Wasm Examples (callback-example)	1m 8s
Build Wasm Examples (basic)	1m 12s
Test Static Export with Chrome (Windows)	4m 5s
Code Coverage	9s
Build Book	3m 29s
Build Examples (3d_charts)	35s
Build Examples (financial_charts)	34s
Build Examples (basic_charts)	32s
Build Examples (custom_controls)	41s
Build Examples (customization)	24s
Build Examples (images)	47s
Build Examples (kaleido)	1m 48s
Build Examples (themes)	25s
Build Examples (maps)	1m 14s
Build Examples (static_export)	1m 39s
Build Examples (scientific_charts)	57s
Build Examples (ndarray)	25s
Build Examples (subplots)	38s
Build Examples (shapes)	35s
	29m 39s

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