Remove obsolete replacement system() on darwin
Per comment in the file, this was fixed around OS X 10.2.
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/1d2e73a3dfdbd7168b323fa39879c60df6076412
Modified Files
--------------
src/backend/port/Makefile | 4 --
src/backend/port/darwin/Makefile | 17 -------
src/backend/port/darwin/README | 36 --------------
src/backend/port/darwin/system.c | 104 ---------------------------------------
4 files changed, 161 deletions(-)