Deprecate kaleido #641

Job	Run time
Rustfmt	16s
Clippy	3m 39s
semver	55s
Tests (windows-latest)	3m 43s
Tests (ubuntu-latest)	3m 15s
Build Wasm Examples (basic)	1m 0s
Code Coverage	14s
Tests (macos-latest)	3m 39s
Build Book	4m 9s
Build Wasm Examples (callback-example)	59s
Build Examples (customization)	39s
Build Examples (custom_controls)	28s
Build Examples (3d_charts)	38s
Build Examples (basic_charts)	32s
Build Examples (kaleido)	1m 33s
Build Examples (shapes)	29s
Build Examples (maps)	37s
Build Examples (scientific_charts)	38s
Build Examples (static_export)	1m 25s
Build Examples (images)	41s
Build Examples (financial_charts)	32s
Build Examples (themes)	36s
Build Examples (subplots)	26s
Build Examples (ndarray)	25s
	31m 28s

Provide feedback