Revert countBasedPruningActive flag

core/chains/evm/logpoller/log_poller.go

@@ -132,8 +132,7 @@ type logPoller struct {
 	// Usually the only way to recover is to manually remove the offending logs and block from the database.
 	// LogPoller keeps running in infinite loop, so whenever the invalid state is removed from the database it should
 	// recover automatically without needing to restart the LogPoller.
-	finalityViolated           *atomic.Bool
-	countBasedLogPruningActive *atomic.Bool
+	finalityViolated *atomic.Bool
 }
 
 type Opts struct {
@@ -293,9 +292,6 @@ func (lp *logPoller) RegisterFilter(ctx context.Context, filter Filter) error {
 	}
 	lp.filters[filter.Name] = filter
 	lp.filterDirty = true
-	if filter.MaxLogsKept > 0 {
-		lp.countBasedLogPruningActive.Store(true)
-	}
 	return nil
 }
 
@@ -1154,10 +1150,6 @@ func (lp *logPoller) PruneExpiredLogs(ctx context.Context) (bool, error) {
 		done = false
 	}
 
-	if !lp.countBasedLogPruningActive.Load() {
-		return done, err
-	}
-
 	rowIDs, err := lp.orm.SelectExcessLogIDs(ctx, lp.logPrunePageSize)
 	if err != nil {
 		lp.lggr.Errorw("Unable to find excess logs for pruning", "err", err)