fix-duplicate (smartcontractkit#2251)

Author: khadni

src/content/data-feeds/smartdata/index.mdx

@@ -32,9 +32,7 @@ To find a list of available Proof of Reserve Feeds, see the [SmartData Feed Addr
 
 #### Types of Proof of Reserve Feeds
 
-Reserves are available for both cross-chain assets and offchain assets. This categorization describes the data reporting variations of Proof of Reserve feeds and helps highlight some of the inherent market risks surrounding the data quality of these feeds.
-
-Reserves are available for both offchain assets and cross-chain assets. Token issuers prove the reserves for their assets through several different methods.
+Reserves are available for both offchain assets and cross-chain assets. This categorization describes the data reporting variations of Proof of Reserve feeds and helps highlight some of the inherent market risks surrounding the data quality of these feeds.
 
 ##### Offchain reserves