remove explain

Author: JackTan25

tests/sqllogictests/suites/mode/cluster/distributed_copy_into_table.test

@@ -31,23 +31,6 @@ copy into @st from (select a,b,c from table_random limit 1000000);
 statement ok
 create table t(a int,b string,c string);
 
-query T
-explain pipeline copy into t from @st force = true;
-----
-MutationSink × 1 processor
-  MutationAggregator × 1 processor
-    Merge (TransformExchangeDeserializer × 6 processors) to (MutationAggregator × 1)
-      TransformExchangeDeserializer × 6 processors
-        Merge (DummyTransform × 8 processors) to (TransformExchangeDeserializer × 6)
-          Merge (AppendTransform × 6 processors) to (Resize × 8)
-            AppendTransform × 6 processors
-              Merge (BlockCompactTransform × 1 processor) to (AppendTransform × 6)
-                BlockCompactTransform × 1 processor
-                  Merge (DeserializeTransformer × 6 processors) to (BlockCompactTransform × 1)
-                    DeserializeTransformer × 6 processors
-                      Merge (Aligner × 3 processors) to (DeserializeTransformer × 6)
-                        Aligner × 3 processors
-
 statement ok
 copy into t from @st force = true;