Clean up

src/validationinterface.cpp

@@ -135,9 +135,6 @@ void ThreadNotifyWallets(CBlockIndex *pindexLastTip)
             while (pindex && pindex != pindexFork) {
                 // Get the Sprout commitment tree as of the start of this block.
                 SproutMerkleTree oldSproutTree;
-                //TODO: how important is oldSproutTree  ?
-                //assert(pcoinsTip->GetSproutAnchorAt(pindex->hashSproutAnchor, oldSproutTree));
-
                 // Get the Sapling commitment tree as of the start of this block.
                 // We can get this from the `hashFinalSaplingRoot` of the last block
                 // However, this is only reliable if the last block was on or after