mc: move to applications/file-managers

pkgs/top-level/all-packages.nix

···
 
   mbutil = python3Packages.callPackage ../applications/misc/mbutil { };
 
-  mc = callPackage ../tools/misc/mc {
+  mc = callPackage ../applications/file-managers/mc {
     inherit (darwin) autoSignDarwinBinariesHook;
   };