Update index.mdx

Author: robin-norwood

website/docs/plugin/framework/data-sources/index.mdx

@@ -2,7 +2,7 @@
 page_title: Data sources
 description: >-
   Data sources allow Terraform to reference external data. Learn how the
-  provider framework can help you implement data sources.
+  framework can help you implement data sources.
 ---
 
 # Data sources