make word recount a tokenizer-specific function

lib-sql/words_from_search_name.sql

@@ -1,11 +0,0 @@
-DROP TABLE IF EXISTS word_frequencies;
-CREATE TABLE word_frequencies AS
- SELECT unnest(name_vector) as id, count(*) FROM search_name GROUP BY id;
-
-CREATE INDEX idx_word_frequencies ON word_frequencies(id);
-
-UPDATE word SET search_name_count = count
-  FROM word_frequencies
- WHERE word_token like ' %' and word_id = id;
-
-DROP TABLE word_frequencies;