Summary: Removed process, adbkit and electron usages that were still remaining. Verified changes by disabling the built-in module stubbing (will be cleaned up further later in this stack).
Reviewed By: aigoncharov
Differential Revision: D33019083
fbshipit-source-id: 8bfce31f4b5ed349cb4fd86d34c9b41b9b8b8360