package/utils/lua: cleanup source mirrors

Remove inactive mirrors from the sources list.

Signed-off-by: Paul Wassi <p.wassi@gmx.at>

package/utils/lua/Makefile

@@ -13,8 +13,6 @@ PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://www.lua.org/ftp/ \
-	http://ftp.gwdg.de/pub/languages/lua/ \
-	http://mirrors.dotsrc.org/lua/ \
 	http://www.tecgraf.puc-rio.br/lua/ftp/
 PKG_HASH:=2640fc56a795f29d28ef15e13c34a47e223960b0240e8cb0a82d9b0738695333
 PKG_BUILD_PARALLEL:=1