Remove dynamic www flag for disableInputAttributeSyncing (#28703)

Remove dynamic www flag for disableInputAttributeSyncing

packages/shared/forks/ReactFeatureFlags.www-dynamic.js

@@ -13,7 +13,6 @@
 // Use __VARIANT__ to simulate a GK. The tests will be run twice: once
 // with the __VARIANT__ set to `true`, and once set to `false`.
 
-export const disableInputAttributeSyncing = __VARIANT__;
 export const disableIEWorkarounds = __VARIANT__;
 export const enableBigIntSupport = __VARIANT__;
 export const enableLegacyFBSupport = __VARIANT__;

packages/shared/forks/ReactFeatureFlags.www.js

@@ -15,7 +15,6 @@ import typeof * as DynamicFeatureFlags from './ReactFeatureFlags.www-dynamic';
 const dynamicFeatureFlags: DynamicFeatureFlags = require('ReactFeatureFlags');
 
 export const {
-  disableInputAttributeSyncing,
   disableIEWorkarounds,
   enableBigIntSupport,
   enableTrustedTypesIntegration,
@@ -57,6 +56,7 @@ export const enableUseMemoCacheHook = true;
 export const enableUseEffectEventHook = true;
 export const enableFilterEmptyStringAttributesDOM = true;
 export const enableAsyncActions = true;
+export const disableInputAttributeSyncing = false;
 
 // Logs additional User Timing API marks for use with an experimental profiling tool.
 export const enableSchedulingProfiler: boolean =

scripts/jest/setupTests.www.js

@@ -11,6 +11,10 @@ jest.mock('shared/ReactFeatureFlags', () => {
   // This flag is only used by tests, it should never be set elsewhere.
   actual.forceConcurrentByDefaultForTesting = !__VARIANT__;
 
+  // Flags that aren't currently used, but we still want to force variants to keep the
+  // code live.
+  actual.disableInputAttributeSyncing = __VARIANT__;
+
   return actual;
 });