chore: remove users table, user_id and version from redirects

Author: ddrayko

init.sql

@@ -1,22 +1,6 @@
-CREATE TABLE IF NOT EXISTS users (
-    id TEXT PRIMARY KEY,
-    email TEXT NOT NULL,
-    email_hash TEXT UNIQUE NOT NULL,
-    password_hash TEXT NOT NULL,
-    username TEXT,
-    avatar_url TEXT,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-);
-
-CREATE UNIQUE INDEX IF NOT EXISTS users_email_hash_uidx ON users (email_hash) WHERE email_hash IS NOT NULL;
-
 CREATE TABLE IF NOT EXISTS redirects (
     id TEXT PRIMARY KEY,
     url TEXT NOT NULL,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    user_id TEXT REFERENCES users(id),
-    version TEXT DEFAULT 'dash',
     expires_at TIMESTAMP
 );
-
-CREATE INDEX IF NOT EXISTS redirects_user_id_idx ON redirects (user_id);