[Extlib] removed swap (Fun.flip)

bin/migration_scripts/manganese2iron.sh

src/kernel_internals/typing/cabs2cil.ml

src/kernel_services/ast_data/annotations.ml

src/kernel_services/ast_queries/cil.ml

src/kernel_services/ast_queries/file.ml

src/libraries/stdlib/extlib.ml

src/libraries/stdlib/extlib.mli