Revert "Document that code inlined into a nodebug function also won't get any"

This reverts commit r296776.
This statement is no longer true.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@297162 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Basic/AttrDocs.td

@@ -657,8 +657,7 @@ def NoDebugDocs : Documentation {
   let Content = [{
 The ``nodebug`` attribute allows you to suppress debugging information for a
 function or method, or for a variable that is not a parameter or a non-static
-data member. It will also suppress debug information for any code that is
-inlined into a ``nodebug`` function or method.
+data member.
   }];
 }