rpc → util Relation

File in src/wallet/rpc	Includes file in src/util
backup.cpp	bip32.h
backup.cpp	fs.h
backup.cpp	fs_helpers.h
backup.cpp	system.h
backup.cpp	time.h
backup.cpp	translation.h
signmessage.cpp	message.h
util.cpp	translation.h
util.cpp	url.h