remove lines of current date before starting

src/fetcher.ts

@@ -75,6 +75,8 @@ export class Tx3Fetcher {
 				"  `totalScore` int(11) UNSIGNED NOT NULL,\n" +
 				"  PRIMARY KEY (`id`)\n" +
 				") ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci");
+			console.log(`Removing existing records of ${this.curDate}.`);
+			await this.db.query("delete from userdata where date = ?", this.curDate);
 		}
 		if(this.config.proxy.useProxy) {
 			await this.proxyFetcher.initProxies();