[CLI] add `serialize-output` option for all tx types

[sblackshear]

• Every kind of tx the CLI can craft now supports --serialize-output to allow signing elsewhere (e.g., via a multi-sig not managed by the CLI).
• Eliminate some existing Serialize commands that are now redundant

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Type of Change (Check all that apply)

• [ ] user-visible impact
• [ ] breaking change for a client SDKs
• [ ] breaking change for FNs (FN binary must upgrade)
• [ ] breaking change for validators or node operators (must upgrade binaries)
• [ ] breaking change for on-chain data layout
• [ ] necessitate either a data wipe or data migration

Release notes

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[joyqvq]

thank you 🙏 🙏