Deprecate kaleido #610

Job	Run time
Build Wasm Examples (callback-example)	57s
Code Coverage	19s
Tests (macos-latest)	4m 40s
Tests (ubuntu-latest)	2m 29s
Clippy	3m 39s
Build Wasm Examples (basic)	56s
Tests (windows-latest)	16m 5s
semver	52s
Rustfmt	15s
Build Examples (custom_controls)	34s
Build Examples (basic_charts)	37s
Build Examples (3d_charts)	35s
Build Examples (financial_charts)	34s
Build Examples (maps)	46s
Build Examples (kaleido)	1m 19s
Build Examples (subplots)	32s
Build Examples (themes)	34s
Build Examples (customization)	36s
Build Examples (ndarray)	33s
Build Examples (shapes)	36s
Build Examples (images)	48s
Build Examples (scientific_charts)	33s
Build Examples (static_export)	1m 32s
Build Book	3m 21s
Test Static Export with Chrome (Windows)	11m 15s
	54m 57s

Provide feedback