remove a duplicate section.

component/readline/buildout.cfg

@@ -12,18 +12,6 @@ configure-options =
   --enable-multibyte
   --disable-static
 
-# readline-5.x is still used for GPL2 only softwares.
-[readline5]
-recipe = hexagonit.recipe.cmmi
-url = http://ftp.gnu.org/gnu/readline/readline-5.2.tar.gz
-md5sum = e39331f32ad14009b9ff49cc10c5e751
-configure-options =
-  --enable-multibyte
-  --disable-static
-  --with-ncurses=${ncurses:location}
-environment =
-    LDFLAGS =-Wl,-rpath=${ncurses:location}/lib
-
 [readline]
 recipe = hexagonit.recipe.cmmi
 url = http://ftp.gnu.org/gnu/readline/readline-6.2.tar.gz