(Easy) Remove RCTNotAllowedInBridgeless validation for RCTRegisterModule

Summary:
Changelog: [iOS][Internal] Remove RCTNotAllowedInBridgeless validation for RCTRegisterModule

In the TurboModule system, `RCTRegisterModule` gets called for all `RCTBridgeModules` that calls `RCT_EXPORT_MODULE()` and it works fine in Bridgeless mode.

Reviewed By: RSNara

Differential Revision: D35203039

fbshipit-source-id: 8ae2be4487fe21653a7f1628fa92606a7d36d467

React/Base/RCTBridge.m

@@ -55,15 +55,11 @@ NSArray<Class> *RCTGetModuleClasses(void)
 /**
  * Register the given class as a bridge module. All modules must be registered
  * prior to the first bridge initialization.
+ * TODO: (T115656171) Refactor RCTRegisterModule out of Bridge.m since it doesn't use the Bridge.
  */
 void RCTRegisterModule(Class);
 void RCTRegisterModule(Class moduleClass)
 {
-  RCTLogNewArchitectureValidation(
-      RCTNotAllowedInBridgeless,
-      @"RCTRegisterModule()",
-      [NSString stringWithFormat:@"'%@' was registered unexpectedly", moduleClass]);
-
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
     RCTModuleClasses = [NSMutableArray new];