Revert "Fix T77774: New undo code broken by 'make local' behavior."

This reverts commit 554ed613ae5f26b205f65ed950ae50baf9f009b5.

1 files changed, 0 insertions, 9 deletions

diff --git a/source/blender/makesdna/DNA_ID.h b/source/blender/makesdna/DNA_ID.h
index 0cf45fa4bcc..7ce84e0092c 100644
--- a/source/blender/makesdna/DNA_ID.h
+++ b/source/blender/makesdna/DNA_ID.h
@@ -680,15 +680,6 @@ typedef enum IDRecalcFlag {
    * input file or for color space changes. */
   ID_RECALC_SOURCE = (1 << 23),
 
-  /* Virtual recalc tag/marker required for undo in some cases, where actual data does not change
-   * and hence do not require an update, but conceptually we are dealing with something new.
-   *
-   * Current known case: linked IDs made local without requiring any copy. While their users do not
-   * require any update, they have actually been 'virtually' remapped from the linked ID to the
-   * local one.
-   */
-  ID_RECALC_TAG_FOR_UNDO = (1 << 24),
-
   /***************************************************************************
    * Pseudonyms, to have more semantic meaning in the actual code without
    * using too much low-level and implementation specific tags. */