Deprecate kaleido #639

Job	Run time
Clippy	3m 44s
Rustfmt	15s
semver	59s
Build Wasm Examples (basic)	1m 4s
Build Wasm Examples (callback-example)	51s
Code Coverage	11s
Build Book	3m 7s
Tests (windows-latest)	9m 43s
Tests (ubuntu-latest)	3m 12s
Tests (macos-latest)	3m 33s
Build Examples (3d_charts)	35s
Build Examples (customization)	34s
Build Examples (financial_charts)	38s
Build Examples (images)	42s
Build Examples (basic_charts)	36s
Build Examples (kaleido)	1m 26s
Build Examples (maps)	37s
Build Examples (custom_controls)	27s
Build Examples (ndarray)	31s
Build Examples (subplots)	33s
Build Examples (static_export)	1m 46s
Build Examples (themes)	31s
Build Examples (scientific_charts)	37s
Build Examples (shapes)	38s
	36m 50s

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