[Rspamd] Macro check was fixed, remove doc and xls ban for now...

data/conf/rspamd/local.d/mime_types.conf

@@ -4,8 +4,6 @@ bad_extensions = {
   scr = 20,
   lnk = 20,
   exe = 20,
-  doc = 20,
-  xls = 20,
   msi = 1,
   msp = 1,
   msu = 1,