[libclang] Remove the ParentKind cursor kind from code-completion results.

This is to reduce dependency to cursors for the code-completion results.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164705 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index 8055535..c735781 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -4322,8 +4322,7 @@
  * \param completion_string The code completion string whose parent is
  * being queried.
  *
- * \param kind If non-NULL, will be set to the kind of the parent context,
- * or CXCursor_NotImplemented if there is no context.
+ * \param kind DEPRECATED: always set to CXCursor_NotImplemented if non-NULL.
  *
  * \returns The name of the completion parent, e.g., "NSObject" if
  * the completion string represents a method in the NSObject class.