Deprecate kaleido #666

Job	Run time
Clippy	1m 32s
semver	42s
Rustfmt	15s
Code Coverage	22s
Tests (ubuntu-latest)	1m 48s
Tests (windows-latest)	3m 50s
Tests (macos-latest)	3m 27s
Build Wasm Examples (callback-example)	55s
Build Wasm Examples (basic)	54s
Build Book	1m 40s
Build Examples (basic_charts)	35s
Build Examples (3d_charts)	32s
Build Examples (custom_controls)	34s
Build Examples (images)	47s
Build Examples (customization)	31s
Build Examples (kaleido)	1m 18s
Build Examples (financial_charts)	32s
Build Examples (static_export)	1m 31s
Build Examples (maps)	43s
Build Examples (subplots)	31s
Build Examples (shapes)	33s
Build Examples (themes)	33s
Build Examples (scientific_charts)	29s
Build Examples (ndarray)	37s
	25m 11s

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