[SPARK-34079][SQL][FOLLOW-UP] Remove debug logging

### What changes were proposed in this pull request?
To remove debug logging accidentally left in code after #32298.

### Why are the changes needed?
No need for that logging.

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Existing tests.

Closes #36354 from peter-toth/SPARK-34079-multi-column-scalar-subquery-follow-up.

Authored-by: Peter Toth <[email protected]>
Signed-off-by: Hyukjin Kwon <[email protected]>

Author: peter-toth

sql/core/src/test/scala/org/apache/spark/sql/InjectRuntimeFilterSuite.scala

@@ -267,7 +267,6 @@ class InjectRuntimeFilterSuite extends QueryTest with SQLTestUtils with SharedSp
   // `MergeScalarSubqueries` can duplicate subqueries in the optimized plan, but the subqueries will
   // be reused in the physical plan.
   def getNumBloomFilters(plan: LogicalPlan, scalarSubqueryCTEMultiplicator: Int = 1): Integer = {
-    print(plan)
     val numBloomFilterAggs = plan.collectWithSubqueries {
       case Aggregate(_, aggregateExpressions, _) =>
         aggregateExpressions.collect {