Remove NoncopyableGenericsMismatch infrastructure

(cherry picked from commit f3fb460)

Author: kavon

lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp

@@ -1069,9 +1069,6 @@ static const char *getImportFailureString(swift::serialization::Status status) {
   case swift::serialization::Status::NotInOSSA:
     return "The module file was not compiled with -enable-ossa-modules when it "
            "was required to do so.";
-  case swift::serialization::Status::NoncopyableGenericsMismatch:
-    return "The module file was compiled with a mismatching "
-           "-enable-experimental-feature NoncopyableGenerics setting.";
   case swift::serialization::Status::SDKMismatch:
     return "The module file was built with a different SDK version.";
   }
@@ -1266,7 +1263,6 @@ static bool DeserializeAllCompilerFlags(swift::CompilerInvocation &invocation,
       auto &langOpts = invocation.getLangOptions();
       info = swift::serialization::validateSerializedAST(
           buf, invocation.getSILOptions().EnableOSSAModules,
-          langOpts.hasFeature(swift::Feature::NoncopyableGenerics),
           /*requiredSDK*/ StringRef(), &extended_validation_info,
           /*dependencies*/ nullptr, &searchPaths);
       bool invalid_ast = info.status != swift::serialization::Status::Valid;
@@ -3486,8 +3482,7 @@ swift::ASTContext *SwiftASTContext::GetASTContext() {
     std::make_unique<swift::ModuleInterfaceCheckerImpl>(*m_ast_context_ap,
       moduleCachePath, prebuiltModuleCachePath,
       swift::ModuleInterfaceLoaderOptions(),
-      swift::RequireOSSAModules_t(GetSILOptions()),
-      swift::RequireNoncopyableGenerics_t(GetLanguageOptions())));
+      swift::RequireOSSAModules_t(GetSILOptions())));
 
   // 2. Create and install the module interface loader.
   //