fix: In dbKeybase.writeInfo, if replacing a name entry, remove the lookup by the old address #4141

Job	Run time
setup	5s
Run Main (gnodev) / Go Build / generated	7s
Run Main (gnodev) / Go Linter / lint	43s
Run Main (gnodev) / Go Test / test	1m 9s
Run Main (gnofaucet) / Go Linter / lint	34s
Run Main (gnofaucet) / Go Build / generated	7s
Run Main (gnofaucet) / Go Test / test	36s
Run Main (gnokeykc) / Go Build / generated	7s
Run Main (gnokeykc) / Go Linter / lint	34s
Run Main (gnokeykc) / Go Test / test	39s
Run Main (gnomd) / Go Build / generated	6s
Run Main (gnomd) / Go Linter / lint	23s
Run Main (gnomd) / Go Test / test	29s
	5m 39s

Provide feedback