remove out-of-date comment on pay-to-witness support

Author: r8921039

src/script/standard.h

@@ -153,8 +153,7 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
  * multisig scripts, this populates the addressRet vector with the pubkey IDs
  * and nRequiredRet with the n required to spend. For other destinations,
  * addressRet is populated with a single value and nRequiredRet is set to 1.
- * Returns true if successful. Currently does not extract address from
- * pay-to-witness scripts.
+ * Returns true if successful.
  *
  * Note: this function confuses destinations (a subset of CScripts that are
  * encodable as an address) with key identifiers (of keys involved in a