fix(tr): remove duplicate Rust heading and fix blank lines

Author: VIJAYSHREE30530

books/free-programming-books-tr.md

@@ -181,7 +181,7 @@
 ### Rust
 
 * [Rust ile CHIP-8 Emülatörü Geliştirme](https://onur.github.io/chip8) - Onur Aslan
-* [Rust'a Giriş](https://github.s3.amazonaws.com/downloads/vertexclique/vertexclique.github.io/Rusta-Giris-v1.pdf) - Mahmut Bulut (PDF)
+
 
 
 ### <a id="yapay-zeka"></a>Yapay Zeka