Remove 'process' usage

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

desktop/flipper-ui-browser/src/index.tsx

@@ -18,7 +18,9 @@ async function start() {
     console.error(
       `[decapitate] Tried to electronRequire ${path}, this module is not available in the browser and will be stubbed`,
     );
-    return {};
+    return {
+      default: {},
+    };
   };
 
   const logger = createDelegatedLogger();