Update CHANGELOG.md

Author: msokoloff1

CHANGELOG.md

@@ -4,13 +4,9 @@
 ### Changed
 * create_data_rows, create_data_rows_sync, create_data_row, and update data rows all accept the new data row input format for row data
 * create_data_row now accepts an attachment parameter to be consistent with create_data_rows
-* Attachment text content and data row in-line text content are automatically uploaded to files on the backend
 * Conversational text data rows will be uploaded to a json file automatically on the backend to reduce the amount of i/o required in the SDK.
-* Additional details will be outlined in the docs and we will link to them here.
-
 
 # Version 3.29.0 (2022-10-28)
-
 ### Added
 * Added new base `Slice` Entity/DbObject and `CatalogSlice` class
 * Added `client.get_catalog_slice(id)` to fetch a CatalogSlice by ID