Rename IgnoredWeak to Ignored.

Thanks to Rui for the suggestion.

llvm-svn: 258189
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 9a05fd2..a8a5aca 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -613,7 +613,7 @@
 
   // Don't include synthetic symbols like __init_array_start in every output.
   if (auto *U = dyn_cast<DefinedRegular<ELFT>>(&B))
-    if (&U->Sym == &ElfSym<ELFT>::IgnoredWeak)
+    if (&U->Sym == &ElfSym<ELFT>::Ignored)
       return false;
 
   return true;