Fix out of date doc for daemon RPC get_fee_estimate

_i18n/ar/resources/developer-guides/daemon-rpc.md

_i18n/de/resources/developer-guides/daemon-rpc.md

_i18n/en/resources/developer-guides/daemon-rpc.md

_i18n/es/resources/developer-guides/daemon-rpc.md

_i18n/fr/resources/developer-guides/daemon-rpc.md

_i18n/it/resources/developer-guides/daemon-rpc.md

_i18n/nl/resources/developer-guides/daemon-rpc.md

_i18n/pt-br/resources/developer-guides/daemon-rpc.md

_i18n/ru/resources/developer-guides/daemon-rpc.md

_i18n/tr/resources/developer-guides/daemon-rpc.md

_i18n/zh-cn/resources/developer-guides/daemon-rpc.md