pgsql: Still more .gitignore cleanup.

Still more .gitignore cleanup.

Fix overly-enthusiastic ignores, as identified by
git ls-files -i --exclude-standard

Branch
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REL8_0_STABLE

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=74515dc69b6ad6b5c532745d50f4006df434052c

Modified Files
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contrib/pg_upgrade/.gitignore | 1 -
src/interfaces/ecpg/preproc/.gitignore | 3 ---
2 files changed, 0 insertions(+), 4 deletions(-)