pgsql: Remove unused AC_SUBST variables

Remove unused AC_SUBST variables

These were apparently never used. The AC_SUBST was probably just
added in a copy-and-paste manner. (The shell variables continue to be
used inside configure. The change is just that we don't need them
outside of configure.)

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/7b85527eaee2cdcfc33d9f8c6c8e4a4908f7f58d

Modified Files
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configure | 12 ------------
configure.in | 6 ------
2 files changed, 0 insertions(+), 18 deletions(-)