Deprecate kaleido #668

Job	Run time
Clippy	3m 45s
Rustfmt	16s
semver	57s
Code Coverage	20s
Tests (ubuntu-latest)	3m 1s
Tests (windows-latest)	6m 0s
Build Wasm Examples (callback-example)	57s
Tests (macos-latest)	5m 5s
Build Wasm Examples (basic)	57s
Build Book	3m 13s
Build Examples (custom_controls)	35s
Build Examples (basic_charts)	35s
Build Examples (3d_charts)	35s
Build Examples (maps)	46s
Build Examples (customization)	35s
Build Examples (financial_charts)	34s
Build Examples (kaleido)	1m 44s
Build Examples (ndarray)	33s
Build Examples (static_export)	1m 29s
Build Examples (subplots)	35s
Build Examples (images)	50s
Build Examples (themes)	37s
Build Examples (shapes)	37s
Build Examples (scientific_charts)	33s
	35m 9s

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