Remove archive stuff.

src/backend/commands/cluster.c

src/backend/commands/creatinh.c

src/backend/commands/recipe.c

src/backend/commands/sequence.c

src/backend/commands/vacuum.c

src/backend/commands/view.c

src/backend/executor/execMain.c

src/backend/executor/nodeTee.c

src/backend/libpq/pqcomm.c

src/backend/optimizer/plan/planner.c

src/backend/optimizer/prep/Makefile

src/backend/optimizer/prep/prepunion.c

src/backend/parser/gram.y

src/backend/parser/keywords.c

src/backend/parser/parse_query.c

src/backend/storage/buffer/bufmgr.c

src/backend/storage/buffer/localbuf.c

src/backend/storage/large_object/inv_api.c

src/backend/tcop/utility.c

src/backend/tcop/variable.c