creport: use fs bindings

stratosphere/creport/source/creport_main.cpp

@@ -75,12 +75,11 @@ void __appInit(void) {
         R_ABORT_UNLESS(fsInitialize());
     });
 
-    R_ABORT_UNLESS(fsdevMountSdmc());
+    R_ABORT_UNLESS(fs::MountSdCard("sdmc"));
 }
 
 void __appExit(void) {
     /* Cleanup services. */
-    fsdevUnmountAll();
     fsExit();
 }