clean(*): remove tectonic

Cargo.toml

@@ -6,4 +6,3 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-tectonic = "0.14.1"

src/main.rs

@@ -1,8 +1,5 @@
 use std::env;
-use std::fs::File;
-use std::io::Write;
 use std::process;
-use tectonic;
 
 fn main() {
     let args: Vec<String> = env::args().collect();
@@ -24,19 +21,4 @@ fn main() {
     if is_equation {
         computorv1::maths::solver::solve(evaluated);
     }
-/*
-    let latex = r#"
-    \documentclass{article}
-    \begin{document}
-    Hello, world!
-    \end{document}
-    "#;
-
-    let pdf_data: Vec<u8> = tectonic::latex_to_pdf(latex).expect("processing failed");
-    println!("Output PDF size is {} bytes", pdf_data.len());
-
-     // Write the modified data.
-     let mut f = File::create("file-modified.pdf").unwrap();
-     f.write_all(pdf_data.as_slice()).unwrap();
-     */
 }