Revert "PendingSegment" #9679

Job	Run time
Python (test)	7m 21s
Python (lint)	4m 8s
Check build with minimal dependencies	6m 11s
lint-toml	2m 19s
Rust build (all-features)	10m 19s
Rust (lint)	12m 0s
Rust build (default features)	1s
Rust build (with tokio dispatcher)	1s
validate-workflow-yaml	12s
Rust build (with compio dispatcher)	1s
Benchmark with Codspeed	1s
Rust build (with tokio+compio dispatcher)	1s
Rust build (wasm32 with default features)	1s
Check generated proto/fbs files are up to date	1m 13s
License Check and Audit Check (advisories)	50s
License Check and Audit Check (bans licenses sources)	48s
miri	1m 26s
Rust (tests)	10m 42s
wasm-integration	2m 33s
Rust (docs)	1s
	1h 0m 9s

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