Deprecate kaleido #630

Job	Run time
Clippy	3m 43s
Rustfmt	14s
Test Static Export with Chrome (Windows)	4m 13s
Code Coverage	23s
Build Wasm Examples (callback-example)	59s
Build Wasm Examples (basic)	59s
Build Book	3m 27s
Tests (macos-latest)	2m 9s
semver	55s
Build Examples (basic_charts)	36s
Build Examples (custom_controls)	34s
Tests (ubuntu-latest)	2m 57s
Build Examples (images)	51s
Build Examples (customization)	36s
Build Examples (kaleido)	1m 21s
Build Examples (scientific_charts)	34s
Build Examples (3d_charts)	36s
Build Examples (ndarray)	39s
Build Examples (static_export)	1m 41s
Build Examples (financial_charts)	33s
Build Examples (themes)	32s
Build Examples (subplots)	34s
Build Examples (maps)	46s
Build Examples (shapes)	33s
	30m 25s

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