flake: Remove ANDROID_* from the dev shell

README.md

@@ -18,6 +18,10 @@ if a DNS implementation is given, and supports StartTLS.
 To begin, use [melos](https://github.com/invertase/melos) to bootstrap the project: `melos bootstrap`. Then, the example
 can be run with `flutter run` on Linux or Android.
 
+To run the example, make sure that Flutter is correctly set up and working. If you use
+the development shell provided by the NixOS Flake, ensure that `ANDROID_HOME` and
+`ANDROID_AVD_HOME` are pointing to the correct directories.
+
 ## License
 
 See `./LICENSE`.

flake.nix

@@ -58,9 +58,7 @@
       CPATH = "${pkgs.xorg.libX11.dev}/include:${pkgs.xorg.xorgproto}/include";
       LD_LIBRARY_PATH = with pkgs; lib.makeLibraryPath [ atk cairo epoxy gdk-pixbuf glib gtk3 harfbuzz pango ];
 
-      ANDROID_HOME = (toString ./.) + "/.android/sdk";
       JAVA_HOME = pinnedJDK;
-      ANDROID_AVD_HOME = (toString ./.) + "/.android/avd";
     };
   });
 }