Revert "wallet: Move LegacyScriptPubKeyMan::IsMine to LegacyDataSPKM" #681

Job	Run time
macOS 14 native, arm64, no depends, sqlite only, gui	3m 45s
Win64 native, VS 2022	1h 40m 8s
test each commit	0s
ASan + LSan + UBSan + integer, no depends, USDT	14m 9s
	1h 58m 2s

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