Removed intrusive auto pulling of parent git repo

src/main.rs

@@ -2,9 +2,6 @@
 #![allow(clippy::too_many_lines)]
 
 use clap::Parser;
-use std::env;
-use std::path::Path;
-use std::process::Command;
 
 use crate::args::{Args, Operation};
 use crate::internal::parse_cfg;
@@ -23,6 +20,7 @@ fn main() {
         crash!(AppExitCode::RunAsRoot, "Running malachite as root is disallowed as it can lead to system breakage. Instead, malachite will prompt you when it needs superuser permissions");
     }
 
+    // Get required variables
     let args: Args = Args::parse();
     let exclude = &args.exclude;
     let verbose = args.verbose;
@@ -30,56 +28,15 @@ fn main() {
     log!(verbose, "Exclude: {:?}", exclude);
     log!(verbose, "Verbose: You guess. :)");
 
+    // Parse config
     let config = parse_cfg(verbose);
     log!(verbose, "Config: {:?}", config);
 
-    if Path::exists("../.git".as_ref()) {
-        log!(verbose, "Detected parent git repository");
-        info!("Parent directory is a git directory, pulling latest mlc.toml. It is advised you run mlc pull/update in all malachite directories");
-
-        let dir = env::current_dir().unwrap();
-        env::set_current_dir("../").unwrap();
-        log!(verbose, "Current dir: {:?}", env::current_dir().unwrap());
-
-        if config.base.smart_pull {
-            log!(verbose, "Smart pull");
-            Command::new("git")
-                .args(&["remote", "update"])
-                .spawn()
-                .unwrap()
-                .wait()
-                .unwrap();
-            let output = Command::new("git").arg("status").output().unwrap();
-            if String::from_utf8(output.stdout)
-                .unwrap()
-                .contains("Your branch is behind")
-            {
-                info!("Branch out of date, pulling changes");
-                Command::new("git")
-                    .arg("pull")
-                    .spawn()
-                    .unwrap()
-                    .wait()
-                    .unwrap();
-            } else {
-                info!("No changes to pull");
-            }
-        } else {
-            log!(verbose, "Normal pull");
-            Command::new("git")
-                .arg("pull")
-                .spawn()
-                .unwrap()
-                .wait()
-                .unwrap();
-        }
-        env::set_current_dir(dir).unwrap();
-        log!(verbose, "Current dir: {:?}", env::current_dir().unwrap());
-    }
-
+    // Get repository mode status
     let repository = config.base.mode == "repository";
     log!(verbose, "Repository Mode: {:?}", repository);
 
+    // Arg matching
     match args.subcommand.unwrap_or(Operation::Clone) {
         Operation::Clone => operations::clone(verbose),
         Operation::Build {