docs: fix lint warnings in TR Rust section

VIJAYSHREE30530 · VIJAYSHREE30530 · commit cb8a0b17db08 · 2025-11-25T12:12:53.000+05:30
diff --git a/books/free-programming-books-tr.md b/books/free-programming-books-tr.md
@@ -24,7 +24,7 @@
 * [R](#r)
 * [Ruby](#ruby)
 * [Rust](#rust)
-### Rust
+
 
 <!-- Note: 'Rust'a Giriş - Mahmut Bulut (PDF)' is no longer available. -->
 
