ref(pretty): remove --pretty flag

- remove --pretty flag
- move types to utils
- update commands

Author: tvpeter

README.md

@@ -229,15 +229,6 @@ Note: You can modify the `Justfile` to reflect your nodes' configuration values.
    cargo run --features rpc -- wallet -w regtest1 balance
    ```
 
-## Formatting Responses using `--pretty` flag
-
-You can optionally return outputs of commands in  human-readable, tabular format instead of `JSON`. To enable this option, simply add the `--pretty` flag as a top level flag. For instance, you wallet's balance in a pretty format, you can run:
-
-```shell
-cargo run -- --pretty -n signet wallet -w {wallet_name} balance
-```
-This is available for wallet, key, repl and compile features. When ommitted, outputs default to `JSON`.
-
 ## Shell Completions
 
 `bdk-cli` supports generating shell completions for Bash, Zsh, Fish, Elvish, and PowerShell. For setup instructions, run: