Revert "Apply transaction batches in periodic intervals (#4504)"

This reverts commit b580049ec0.

src/ripple/protocol/impl/TER.cpp

@@ -189,7 +189,6 @@ transResults()
         MAKE_ERROR(terQUEUED,                 "Held until escalated fee drops."),
         MAKE_ERROR(terPRE_TICKET,             "Ticket is not yet in ledger."),
         MAKE_ERROR(terNO_AMM,                 "AMM doesn't exist for the asset pair."),
-        MAKE_ERROR(terSUBMITTED,              "Transaction has been submitted."),
 
         MAKE_ERROR(tesSUCCESS,                "The transaction was applied. Only final in a validated ledger."),
     };