remove dup line

cloudwu · cloudwu · commit 362d6822bf6d · 2014-07-21T14:37:22.000+08:00
diff --git a/lualib-src/lua-bson.c b/lualib-src/lua-bson.c
@@ -1180,7 +1180,6 @@ luaopen_bson(lua_State *L) {
 		{ "timestamp", ltimestamp  },
 		{ "regex", lregex },
 		{ "binary", lbinary },
-		{ "regex", lregex },
 		{ "objectid", lobjectid },
 		{ "decode", ldecode },
 		{ NULL,  NULL },
