Remove the sdmc module

The SD card is automatically mounted by libctru on startup, so this
isn't needed anymore.

ctru-rs/src/lib.rs

@@ -33,7 +33,6 @@ pub mod applets;
 pub mod console;
 pub mod error;
 pub mod gfx;
-pub mod sdmc;
 pub mod services;
 pub mod srv;
 pub mod thread;
@@ -57,5 +56,4 @@ pub mod romfs {
 pub use crate::error::{Error, Result};
 
 pub use crate::gfx::Gfx;
-pub use crate::sdmc::Sdmc;
 pub use crate::srv::Srv;

ctru-rs/src/sdmc.rs

@@ -1,20 +0,0 @@
-pub struct Sdmc(());
-
-impl Sdmc {
-    pub fn init() -> crate::Result<Sdmc> {
-        unsafe {
-            let r = ctru_sys::archiveMountSdmc();
-            if r < 0 {
-                Err(r.into())
-            } else {
-                Ok(Sdmc(()))
-            }
-        }
-    }
-}
-
-impl Drop for Sdmc {
-    fn drop(&mut self) {
-        unsafe { ctru_sys::archiveUnmountAll() };
-    }
-}