[LyX/master] lyx_2_2.py: remove double code

[Uwe Stöhr]

commit 4a8a2ef9a85d6e9bb79c2ba2d43bef9a976e2421
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Wed Jan 27 22:51:49 2016 +0100

    lyx_2_2.py: remove double code
    
    thanks Guillaume

diff --git a/lib/lyx2lyx/lyx_2_2.py b/lib/lyx2lyx/lyx_2_2.py
index d3f836a..35aedd8 100644
--- a/lib/lyx2lyx/lyx_2_2.py
+++ b/lib/lyx2lyx/lyx_2_2.py
@@ -2362,7 +2362,7 @@ convert = [
 
 revert =  [
            [505, [revert_info_tabular_feature]],
-           [504, [revert_save_props]],
+           [504, []],
            [503, [revert_save_props]],
            [502, [revert_verbatim_star]],
            [501, [revert_solution]],