Remove "incremental" option from base tsconfig
Remove "incremental" option from base tsconfig

Summary: "incremental" option in base config conflicts with "tsc --noemit" which leads to crashes like in D21155831. Removing it from base config, anyway it is explicitly set for all the packages where required (babel-transformer, pkg-lib, pkg)

Reviewed By: timur-valiev

Differential Revision: D21157205

fbshipit-source-id: bb37101521d865bbe737e99637a9bc83a308494e

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper