doc: update wallet build instruction

Sqlite is expected to be installed, but can still be opted out of.

doc/build-openbsd.md

@@ -13,6 +13,14 @@ Run the following as root to install the base dependencies for building.
 pkg_add git cmake boost libevent
 ```
 
+SQLite is required for the wallet:
+
+```bash
+pkg_add sqlite3
+```
+
+To build Bitcoin Core without the wallet, use `-DENABLE_WALLET=OFF`.
+
 See [dependencies.md](dependencies.md) for a complete overview.
 
 ### 2. Clone Bitcoin Repo
@@ -23,16 +31,6 @@ git clone https://github.com/bitcoin/bitcoin.git
 
 ### 3. Install Optional Dependencies
 
-#### Wallet Dependencies
-
-It is not necessary to build wallet functionality to run either `bitcoind` or `bitcoin-qt`.
-SQLite is required to build the wallet.
-
-
-``` bash
-pkg_add sqlite3
-```
-
 #### GUI Dependencies
 ###### Qt6
 
@@ -77,8 +75,8 @@ pkg_add python py3-zmq  # Select the newest version of the python package if nec
 
 There are many ways to configure Bitcoin Core, here are a few common examples:
 
-##### Descriptor Wallet and GUI:
-This enables descriptor wallet support and the GUI, assuming SQLite and Qt 6 are installed.
+##### Wallet and GUI:
+This enables wallet support and the GUI, assuming SQLite and Qt 6 are installed.
 
 ```bash
 cmake -B build -DBUILD_GUI=ON