Cleanup: remove obsolete insert_old.sql

db/insert_old.sql

@@ -1,41 +0,0 @@
--- CREATE SETUP
-
-BEGIN;
-
-    INSERT INTO doki8902.post_category(name) VALUES
-        ('Technology'),
-        ('Food'),
-        ('Games'),
-        ('Reading'),
-        ('Movies'),
-        ('Sports');
-
-COMMIT;
-
--- CREATE USERS
-    
-BEGIN;
-
-    INSERT INTO doki8902.user(username, password) VALUES
-        ('Alice', 'pass123'),
-        ('Bob', 'qwerty'),
-        ('Charlie', 'abc456'),
-        ('BotAccount', 'qwertyasdf');
-
-    INSERT INTO doki8902.user_permission(user_id, permission, state) VALUES 
-        (1, 'delete', TRUE),
-        (1, 'edit', TRUE),
-        (2, 'admin', TRUE),
-        (4, 'post', FALSE);
-
-COMMIT;
-
--- NORMAL USE
-
-SELECT doki8902.func_log_user_restrict(2, 'Spam and botting');
-
-INSERT INTO message_post(author_id, category_id, name, latest_content) VALUES
-    (3, 2, 'What''s your favorite dessert?', 'Personally, I like Ice Cream');
-
-INSERT INTO message_comment (author_id, post_id, latest_content, parent_comment_id) VALUES
-    (2, 1, 'Chocolate Mousse', NULL);