[Minor] Remove duplicate *.app attachment type

Reported by @fatalbanana.

diff --git a/src/plugins/lua/mime_types.lua b/src/plugins/lua/mime_types.lua
index 63da399fd158538b5de03e48d27a3555d909248c..ebd8a80281669c7b9431ce576e9a5f7e1f387e1a 100644 (file)
--- a/src/plugins/lua/mime_types.lua
+++ b/src/plugins/lua/mime_types.lua
@@ -63,7 +63,6 @@ local settings = {
     shtml = 1,
     -- Have you ever seen that in legit email?
     ace = 4,
-    app = 1,
     arj = 2,
     aspx = 1,
     asx = 2,