Deprecate kaleido #669

Job	Run time
Rustfmt	13s
Clippy	1m 35s
Build Wasm Examples (callback-example)	57s
Build Book	1m 39s
Build Wasm Examples (basic)	56s
Code Coverage	19s
Tests (windows-latest)	1m 27s
semver	54s
Tests (ubuntu-latest)	1m 38s
Tests (macos-latest)	1m 40s
Build Examples (3d_charts)	37s
Build Examples (basic_charts)	34s
Build Examples (customization)	36s
Build Examples (custom_controls)	36s
Build Examples (subplots)	33s
Build Examples (ndarray)	33s
Build Examples (scientific_charts)	31s
Build Examples (static_export)	1m 35s
Build Examples (maps)	46s
Build Examples (financial_charts)	34s
Build Examples (images)	50s
Build Examples (shapes)	34s
Build Examples (themes)	34s
Build Examples (kaleido)	1m 21s
	21m 32s

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