Remove trainling | at the end of plan lines

[Krysztophe]

Please remove automatically any | at the end of the lines.
This leads to unparsable plans.

These is added by some tools, especially Dbeaver,
and perhaps some psql options that I cannot remember.

It seems that `+' on the same place is already automatically removed.

Example:

QUERY PLAN                                                                                                                          |
------------------------------------------------------------------------------------------------------------------------------------+
Delete on public.toto123456789  (cost=0.00..78540.20 rows=0 width=0) (actual time=4024.307..4024.308 rows=0 loops=1)                |
  Buffers: shared hit=5000000 read=22124 dirtied=22124 written=7338                                                                 |
  WAL: records=5000000 fpi=7015 bytes=327276611                                                                                     |
  ->  Seq Scan on public.toto123456789  (cost=0.00..78540.20 rows=5641620 width=6) (actual time=0.019..673.892 rows=5000000 loops=1)|
        Output: ctid                                                                                                                |
        Buffers: shared read=22124 written=7338                                                                                     |
Planning:                                                                                                                           |
  Buffers: shared hit=4                                                                                                             |
Planning Time: 0.037 ms                                                                                                             |
Execution Time: 4024.335 ms                                                                                                         |