fixed a couple warnings in the install script

src/install.rs

@@ -1,4 +1,4 @@
-use fs_extra::dir::{CopyOptions, copy, create};
+use fs_extra::dir::{CopyOptions, copy};
 use std::env;
 use std::error::Error;
 use std::fs::{File, create_dir_all, read_dir, remove_dir_all};
@@ -74,7 +74,7 @@ pub fn install() -> Result<(), Box<dyn Error>> {
         println!("downloading default notes and modules...");
         create_dir_all("./temp")?;
         env::set_current_dir("./temp")?;
-        let (git_clone_status) = Command::new("git")
+        let git_clone_status = Command::new("git")
             .arg("clone")
             .arg("https://git.pyro.monster/pyro/tetanus.git")
             .status()?