Remove dir/Dir from abbreviation file
diff --git a/src/txt/abbrv.txt b/src/txt/abbrv.txt
index c05ad4e..d451870 100644
--- a/src/txt/abbrv.txt
+++ b/src/txt/abbrv.txt
@@ -2936,8 +2936,6 @@
 dil
 Dim
 dim
-Dir
-dir
 Dish
 dish
 Disk