Remove spendabable balance #3448

Job	Run time
check-git-rev-deps	12s
build-fuzz	1m 8s
cargo-deny (advisories)	6m 32s
build-and-test (ubuntu-latest, x86_64-unknown-linux-gnu)	5m 49s
cargo-deny (bans licenses sources)	7m 2s
build-and-test (ubuntu-latest, aarch64-unknown-linux-gnu, true)	3m 48s
build-and-test (macos-latest, x86_64-apple-darwin)	23m 25s
docs	3m 20s
fmt	8s
build-and-test (macos-latest, aarch64-apple-darwin)	11m 42s
publish-dry-run	0s
build-and-test (windows-latest, x86_64-pc-windows-msvc)	19m 44s
rust-analyzer-compat	3m 27s
complete	1s
	1h 26m 18s

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