remove so-called security patch,

this has been used by various projects but needs to be justified since it wont remove paths that also resolve to the CWD, "." for instance.

release/scripts/modules/bpy/__init__.py

@@ -38,8 +38,10 @@ import sys as _sys
 
 def _main():
 
-    # security issue, dont allow the $CWD in the path.
-    _sys.path[:] = filter(None, _sys.path)
+    ## security issue, dont allow the $CWD in the path.
+    ## note: this removes "" but not "." which are the same, security
+    ## people need to explain how this is even a fix.
+    # _sys.path[:] = filter(None, _sys.path)
 
     # a bit nasty but this prevents help() and input() from locking blender
     # Ideally we could have some way for the console to replace sys.stdin but