BROKEN LINK(404 ERROR) (#8174)

books/free-programming-books-id.md

@@ -180,7 +180,6 @@
 * [Cepat Mahir Python](https://gilacoding.com/upload/file/Python.pdf) - Hendri, `edt.:` Romi Satria Wahono (PDF)
 * [Dasar Pemrograman Python](https://www.pythonindo.com/tutorial-python-dasar/)
 * [Dasar Pengenalan Pemrograman Python](https://play.google.com/store/books/details/Rolly_Maulana_Awangga_Dasar_dasar_Python?id=YpzDDwAAQBAJ) - Rolly Maulana AwanggaRayhan *(Membutuhkan akun Google Play Books atau email yang valid)*
-* [Database PostgreSQL, Pemrograman Python, dan SMS Gateway](http://rab.co.id/files/python/bukupython2.pdf.gz) (PDF)
 * [Kursus Singkat Machine Learning dengan TensorFlow API](https://developers.google.com/machine-learning/crash-course?hl=id)
 * [Tutorial Python](https://docs.python.org/id/3.8/tutorial/)
 * [Workshop Python 101](http://sakti.github.io/python101/)