Merge pull request #79082 from swiftlang/revert-78986-embedded-api-descriptor

Revert "[embedded] Don't emit extensions to API descriptor under Embedded Swift, avoid compiler crash"

Author: kubamracek

lib/SIL/IR/SILSymbolVisitor.cpp

@@ -741,9 +741,6 @@ class SILSymbolVisitorImpl : public ASTVisitor<SILSymbolVisitorImpl> {
     if (canSkipNominal(nominal))
       return;
 
-    if (ED->getASTContext().LangOpts.hasFeature(Feature::Embedded))
-      return;
-
     if (auto CD = dyn_cast_or_null<ClassDecl>(ED->getImplementedObjCDecl())) {
       // @_objcImplementation extensions generate the class metadata symbols.
       (void)addClassMetadata(CD);