Clean up Perl code according to perlcritic
Peter Eisentraut <peter_e@gmx.net>
Clean up Perl code according to perlcritic Fix all perlcritic warnings of severity level 5, except in src/backend/utils/Gen_dummy_probes.pl, which is automatically generated. Reviewed-by: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org> Reviewed-by: Daniel Gustafsson <daniel@yesql.se>