pgsql: pg_regress: Remove unused variable

pg_regress: Remove unused variable

The restrictedToken handle was set but never read, so remove the
variable and change to a boolean style check to match other uses
of CreateRestrictedProcess().

Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/62A63C81-3893-4E3F-A34E-2081DF67074E@yesql.se

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/f863d82b2f9801c556882ca92b519982a82133e3

Modified Files
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src/test/regress/pg_regress.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)