[LyX/2.0.x] Remove 21x export. LyX 2.1.x already reads 2.0.x files.

[Richard Heck]

commit d41d84f0b8c3cc10154145d86a3c5e9536b6b643
Author: Richard Heck <rgh...@lyx.org>
Date:   Fri Apr 11 11:49:54 2014 -0400

    Remove 21x export. LyX 2.1.x already reads 2.0.x files.

diff --git a/lib/configure.py b/lib/configure.py
index a90f716..9f933f7 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -1009,7 +1009,6 @@ def checkConverterEntries():
 \converter lyx        lyx14x     "python -tt $$s/lyx2lyx/lyx2lyx -t 245 $$i > 
$$o"     ""
 \converter lyx        lyx15x     "python -tt $$s/lyx2lyx/lyx2lyx -t 276 $$i > 
$$o"     ""
 \converter lyx        lyx16x     "python -tt $$s/lyx2lyx/lyx2lyx -t 345 $$i > 
$$o"     ""
-\converter lyx        lyx21x     "python -tt $$s/lyx2lyx/lyx2lyx -t 474 $$i > 
$$o"     ""
 \converter lyx        clyx       "python -tt $$s/lyx2lyx/lyx2lyx -c big5 -t 
245 $$i > $$o"     ""
 \converter lyx        jlyx       "python -tt $$s/lyx2lyx/lyx2lyx -c euc_jp -t 
245 $$i > $$o"   ""
 \converter lyx        klyx       "python -tt $$s/lyx2lyx/lyx2lyx -c euc_kr -t 
245 $$i > $$o"   ""