Deprecate kaleido #619

Job	Run time
Clippy	3m 33s
Tests (ubuntu-latest)	2m 8s
Rustfmt	15s
Tests (macos-latest)	2m 16s
semver	53s
Code Coverage	21s
Build Wasm Examples (basic)	57s
Test Static Export with Chrome (Windows)	3m 4s
Build Book	3m 35s
Build Wasm Examples (callback-example)	58s
Build Examples (basic_charts)	36s
Build Examples (custom_controls)	37s
Build Examples (3d_charts)	37s
Build Examples (customization)	34s
Build Examples (kaleido)	1m 33s
Build Examples (financial_charts)	36s
Build Examples (maps)	44s
Build Examples (images)	51s
Build Examples (ndarray)	37s
Build Examples (subplots)	34s
Build Examples (shapes)	36s
Build Examples (themes)	34s
Build Examples (static_export)	1m 28s
Build Examples (scientific_charts)	34s
	28m 31s

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