Revert "Hard code enableComponentStacks in www (#18869)" (#18890)

This reverts commit fd696df472.

packages/shared/forks/ReactFeatureFlags.www.js

@@ -20,6 +20,7 @@ export const {
   enableTrustedTypesIntegration,
   disableSchedulerTimeoutBasedOnReactExpirationTime,
   warnAboutSpreadingKeyToJSX,
+  enableComponentStackLocations,
   replayFailedUnitOfWorkWithInvokeGuardedCallback,
   enableModernEventSystem,
   enableFilterEmptyStringAttributesDOM,
@@ -68,8 +69,6 @@ export const disableTextareaChildren = __EXPERIMENTAL__;
 
 export const warnUnstableRenderSubtreeIntoContainer = false;
 
-export const enableComponentStackLocations = true;
-
 // Enable forked reconciler. Piggy-backing on the "variant" global so that we
 // don't have to add another test dimension. The build system will compile this
 // to the correct value.