Refactor greedy pauli simp #5906

Job	Run time
Check tket library version	16s
Check documentation build	31s
Build and test (tket) (ubuntu-24.04)	1m 48s
Build and test (tket) (macos-12)	2m 28s
Build and test pytket (ubuntu)	10m 22s
Build and test (tket) (macos-14)	1m 7s
Build and test pytket (macos) (macos-12)	6m 29s
Build and test (tket) (windows-2022)	3m 34s
Build and test pytket (macos) (macos-14)	5m 3s
Check C++ code formatting	30s
Build and test pytket (windows)	3m 45s
Check pytket line and branch coverage	5s
Publish pytket coverage	0s
All build and test jobs successful (or skipped)	3s
	36m 1s

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