Remove unneeded changelogs (MystenLabs#15051)

## Description 

Describe the changes or additions included in this PR.

## Test Plan 

How did you test the new or updated feature?

---
If your changes are not user-facing and not a breaking change, you can
skip the following section. Otherwise, please indicate what changed, and
then add to the Release Notes section as highlighted during the release
process.

### Type of Change (Check all that apply)

- [ ] protocol change
- [ ] 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

.changeset/config.json

@@ -16,6 +16,7 @@
     "sui-wallet-adapter-demo",
     "sponsored-transactions",
     "kiosk-demo",
-    "kiosk-cli"
+    "kiosk-cli",
+    "@mysten/sdk-docs"
   ]
 }