pgsql: doc: Improve order of options on pgbench reference page

doc: Improve order of options on pgbench reference page

Both the pgbench --help output and the reference page have sections
for initialization options, benchmarking options, and common options.
But the --debug option ended up in the wrong place on the reference
page.  Fix that by making the documentation match the --help output.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/09fe9659fd5ea73fb721e270664943cab727354b

Modified Files
--------------
doc/src/sgml/ref/pgbench.sgml | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)