Rust

remove key-value stores for scheduler persistence #45

Job	Run time
Lint	24s
Build Libraries on AMD64 Rust stable	12m 21s
React build	1m 27s
Test on windows-latest Rust stable	5m 50s
Test on macos-latest Rust stable	2m 32s
Clippy (amd64, stable)	2m 31s
Docker	22s
Test Workspace on AMD64 Rust stable	6m 22s
Test Ballista on AMD64 Rust stable	4m 43s
verify benchmark results (amd64) (amd64, stable)	8m 56s
Check Cargo.toml formatting (amd64, stable)	1m 21s
	46m 49s

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