Remove experimental support for Hermes Modules (CommonJS)

Summary: Changelog: [Internal]

Reviewed By: jacdebug

Differential Revision: D41736222

fbshipit-source-id: 05c03ff31072416f7ee81baccb8a4efd2c8baa85

Libraries/Core/setUpSegmentFetcher.js

@@ -11,7 +11,6 @@
 'use strict';
 
 export type FetchSegmentFunction = typeof __fetchSegment;
-export type GetSegmentFunction = typeof __getSegment;
 
 /**
  * Set up SegmentFetcher.
@@ -51,43 +50,3 @@ function __fetchSegment(
 }
 
 global.__fetchSegment = __fetchSegment;
-
-function __getSegment(
-  segmentId: number,
-  options: $ReadOnly<{
-    otaBuildNumber: ?string,
-    requestedModuleName: string,
-    segmentHash: string,
-  }>,
-  callback: (?Error, ?string) => void,
-) {
-  const SegmentFetcher =
-    require('./SegmentFetcher/NativeSegmentFetcher').default;
-
-  if (!SegmentFetcher.getSegment) {
-    throw new Error('SegmentFetcher.getSegment must be defined');
-  }
-
-  SegmentFetcher.getSegment(
-    segmentId,
-    options,
-    (
-      errorObject: ?{
-        message: string,
-        code: string,
-        ...
-      },
-      path: ?string,
-    ) => {
-      if (errorObject) {
-        const error = new Error(errorObject.message);
-        (error: any).code = errorObject.code; // flowlint-line unclear-type: off
-        callback(error);
-      }
-
-      callback(null, path);
-    },
-  );
-}
-
-global.__getSegment = __getSegment;