Removed archived history file deletion on browser start

components/test/data/history/archived_history.4.sql

-PRAGMA foreign_keys=OFF;
-BEGIN TRANSACTION;
-CREATE TABLE meta(key LONGVARCHAR NOT NULL UNIQUE PRIMARY KEY, value LONGVARCHAR);
-INSERT INTO "meta" VALUES('version','4');
-INSERT INTO "meta" VALUES('last_compatible_version','2');
-CREATE TABLE urls(id INTEGER PRIMARY KEY,url LONGVARCHAR,title LONGVARCHAR,visit_count INTEGER DEFAULT 0 NOT NULL,typed_count INTEGER DEFAULT 0 NOT NULL,last_visit_time INTEGER NOT NULL,hidden INTEGER DEFAULT 0 NOT NULL,favicon_id INTEGER DEFAULT 0 NOT NULL);
-CREATE TABLE visits(id INTEGER PRIMARY KEY,url INTEGER NOT NULL,visit_time INTEGER NOT NULL,from_visit INTEGER,transition INTEGER DEFAULT 0 NOT NULL,segment_id INTEGER,visit_duration INTEGER DEFAULT 0 NOT NULL);
-CREATE TABLE visit_source(id INTEGER PRIMARY KEY,source INTEGER NOT NULL);
-CREATE TABLE keyword_search_terms (keyword_id INTEGER NOT NULL,url_id INTEGER NOT NULL,lower_term LONGVARCHAR NOT NULL,term LONGVARCHAR NOT NULL);
-CREATE INDEX visits_url_index ON visits (url);
-CREATE INDEX visits_from_index ON visits (from_visit);
-CREATE INDEX visits_time_index ON visits (visit_time);
-CREATE INDEX urls_url_index ON urls (url);
-CREATE INDEX keyword_search_terms_index1 ON keyword_search_terms (keyword_id, lower_term);
-CREATE INDEX keyword_search_terms_index2 ON keyword_search_terms (url_id);
-CREATE INDEX keyword_search_terms_index3 ON keyword_search_terms (term);
-COMMIT;