fix: compilation error

src/pages/docs/how-to/http-bridge.mdx

@@ -1,5 +1,3 @@
-import { Callout } from 'nextra/components'
-
 # Use the HTTP API Bridge
 
 Our API is built around [UCAN Invocation](https://github.com/ucan-wg/invocation). This
@@ -31,7 +29,7 @@ Details of how to generate the header values can be found in the
 [W3UP UCAN Bridge Protocol](https://github.com/web3-storage/specs/blob/main/w3-ucan-bridge.md) specification, but
 they can also be generated for you by the [`w3` CLI](https://github.com/web3-storage/w3cli).
 
-### Generating Auth{n|z} headers with `w3cli`
+### Generating Auth Headers With `w3cli`
 
 If you have not already logged in and created a space with the `w3` CLI, do that first: