pgsql: ci: Don't specify amount of memory

ci: Don't specify amount of memory

The number of CPUs is the cost-determining factor. Most instance types that
run tests have more memory/core than what we specified, there's no real
benefit in wasting that.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: /messages/by-id/20230808021541.7lbzdefvma7qmn3w@awork3.anarazel.de
Backpatch: 15-, where CI support was added

Branch
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REL_16_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/5581a9a3953020dd9df18ffd00b788f296bd60e0

Modified Files
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.cirrus.yml | 4 ----
1 file changed, 4 deletions(-)