docs: remove quick wallet setup admonishment

Author: wbbradley

docs/book/usage/networks.md

@@ -63,8 +63,7 @@ available.
 Interacting with Walrus requires a valid Sui Testnet wallet with some amount of SUI tokens. The
 normal way to set this up is via the Sui CLI; see the [installation
 instructions](https://docs.sui.io/guides/developer/getting-started/sui-install) in the Sui
-documentation. If you do not want to install the Sui CLI, you can also generate a new Sui wallet for
-Testnet using `walrus generate-sui-wallet --network testnet`.
+documentation.
 
 After installing the Sui CLI, you need to set up a Testnet wallet by running `sui client`, which
 prompts you to set up a new configuration. Make sure to point it to Sui Testnet, you can use the

docs/book/usage/setup.md

@@ -15,12 +15,6 @@ for an overview over all Walrus networks.
 
 ## Prerequisites: Sui wallet, SUI and WAL {#prerequisites}
 
-```admonish tip title="Quick wallet setup"
-If you just want to set up a new Sui wallet for Walrus, you can generate one using the
-`walrus generate-sui-wallet --sui-network mainnet` command after [installing Walrus](#installation).
-You still need to obtain some SUI and WAL tokens, but you do not have to install the Sui CLI.
-```
-
 Interacting with Walrus requires a valid Sui wallet with some amount of SUI and WAL tokens. The
 normal way to set this up is via the Sui CLI; see the [installation
 instructions](https://docs.sui.io/guides/developer/getting-started/sui-install) in the Sui

setup/client_config.yaml

@@ -29,4 +29,4 @@ contexts:
       # active_address: 0x0000000000000000000000000000000000000000000000000000000000000000
     rpc_urls:
       - https://fullnode.testnet.sui.io:443
-default_context: mainnet
+default_context: testnet