[CIR][NFC] Remove duplicate code

This change removes a bit of code that was left as an artifact of a
previous "not yet implemented" state. The implementation is in place,
but the code to report an NYI diagnostic was left behind.

Author: andykaylor

clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp

@@ -614,14 +614,6 @@ CIRGenTypes::computeRecordLayout(const RecordDecl *rd, cir::RecordType *ty) {
     }
   }
 
-  if (llvm::isa<CXXRecordDecl>(rd) && !rd->isUnion() &&
-      !rd->hasAttr<FinalAttr>()) {
-    if (lowering.astRecordLayout.getNonVirtualSize() !=
-        lowering.astRecordLayout.getSize()) {
-      cgm.errorNYI(rd->getSourceRange(), "computeRecordLayout: CXXRecordDecl");
-    }
-  }
-
   // Fill in the record *after* computing the base type.  Filling in the body
   // signifies that the type is no longer opaque and record layout is complete,
   // but we may need to recursively layout rd while laying D out as a base type.