Deprecate kaleido #645

Job	Run time
Clippy	1m 28s
Code Coverage	19s
Tests (ubuntu-latest)	3m 36s
Rustfmt	13s
Tests (macos-latest)	3m 23s
Tests (windows-latest)	5m 18s
Build Wasm Examples (callback-example)	57s
Build Book	3m 28s
Build Wasm Examples (basic)	56s
semver	58s
Build Examples (basic_charts)	39s
Build Examples (customization)	42s
Build Examples (financial_charts)	32s
Build Examples (3d_charts)	33s
Build Examples (custom_controls)	37s
Build Examples (images)	47s
Build Examples (kaleido)	1m 19s
Build Examples (shapes)	35s
Build Examples (static_export)	1m 45s
Build Examples (ndarray)	32s
Build Examples (scientific_charts)	35s
Build Examples (maps)	44s
Build Examples (themes)	35s
Build Examples (subplots)	34s
	31m 5s

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