Change text "Bitcoin address" into "Bitcoin Cash address"
Avoid confusion with BTC addresses.
Test plan: ninja all check;test/functional/test_runner.py rpc_rawtransaction rpc_fundrawtransaction
Edited by BigBlockIfTrue
Avoid confusion with BTC addresses.
Test plan: ninja all check;test/functional/test_runner.py rpc_rawtransaction rpc_fundrawtransaction