pgsql: Remove redundant lib*dll.def rules from .gitignore

Remove redundant lib*dll.def rules from .gitignore

Since we now have a global rule in the root .gitignore,
there's no need to keep directory-specific ones as well.

Noted by Peter Eisentraut

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/110c88d35cfcbe63dbb87a88d72f3e2a67a60f65

Modified Files
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src/interfaces/ecpg/compatlib/.gitignore  |    2 --
src/interfaces/ecpg/ecpglib/.gitignore    |    2 --
src/interfaces/ecpg/pgtypeslib/.gitignore |    2 --
src/interfaces/libpq/.gitignore           |    1 -
4 files changed, 0 insertions(+), 7 deletions(-)