corrected random character in file

Linux/Setup_MySQL_Server.md

@@ -39,7 +39,7 @@ After creating a database and creating a few tables, I created a user and gave t
         var1 TEXT NOT NULL,
         var2 INT AUTOINCREMENT,
     );
-4
+
     CREATE USER 'user'@'ip address';IDENTIFIED BY Password('password');
 
     GRANT ALL PRIVILEGES ON 'test_database'.* TO 'user'@'ip address';