Re-revert the explicit template instantiation linkage patch. I am beginning to look incompetent

llvm-svn: 98425
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 9077ade..40dc563 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -437,8 +437,7 @@
     GVA_C99Inline,
     GVA_CXXInline,
     GVA_StrongExternal,
-    GVA_TemplateInstantiation,
-    GVA_ExplicitTemplateInstantiation
+    GVA_TemplateInstantiation
   };
 
   llvm::GlobalVariable::LinkageTypes