hledger-flow: ledger: skip COMP token

Supported by `fetch` (ethereum-based).

container/src/hledger-flow/accounts/ledger/ledger-shared.rules

@@ -124,8 +124,8 @@ if %currency_ (^WETH$|^WBTC$)
 if %currency_ (^stkAAVE$|^aWETH$|^aEthWETH$|^aSNX$|^aGUSD$)
   skip
 
-# Compound cTokens TODO: expand as needed
-if %currency_ (^cETH$|^cDAI$|^cUSDT$|^cUSDC$)
+# Compound / cTokens TODO: expand as needed
+if %currency_ (^COMP$|^cETH$|^cDAI$|^cUSDT$|^cUSDC$)
   skip
 
 #