Bye bye vile relics of extinct version control systems,

Causing a flurry of refresh file prompts post-commit,
Confusing local diffs and causing merge conflicts,
Stating the obvious; redundant and useless...

We shall not miss thou, blasted expand $keywords$

source/blender/blenkernel/intern/constraint.c

@@ -1,6 +1,4 @@
 /*
- * $Id$
- *
  * ***** BEGIN GPL LICENSE BLOCK *****
  *
  * This program is free software; you can redistribute it and/or