Remove unneeded sort in select_words(), speedup
Remove unneeded sort in select_words(), speedup

Since sql query statement already sorted (ORDER BY) the result, remove
the unneeded sort operation.

Sorting with a python compare function is terribly slow for large list.

mike-fabian/ibus-table,mike-fabian/ibus-table,kaio/ibus-table,kaio/ibus-table