Deprecate kaleido #640

Job	Run time
Code Coverage	15s
Rustfmt	16s
Tests (ubuntu-latest)	3m 17s
Clippy	3m 23s
Tests (macos-latest)	3m 22s
Build Examples (images)	46s
Build Examples (financial_charts)	33s
Build Examples (custom_controls)	28s
Build Examples (customization)	28s
Build Examples (kaleido)	1m 40s
Tests (windows-latest)	1m 3s
Build Examples (basic_charts)	33s
Build Examples (ndarray)	30s
Build Examples (3d_charts)	25s
Build Examples (maps)	43s
Build Examples (scientific_charts)	33s
Build Wasm Examples (basic)	54s
Build Examples (themes)	39s
Build Wasm Examples (callback-example)	1m 5s
Build Examples (shapes)	28s
Build Book	3m 14s
Build Examples (subplots)	26s
semver	55s
Build Examples (static_export)	1m 31s
	27m 27s

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