idea.android-studio: Disable Hydra build

http://hydra.nixos.org/build/38305379

pkgs/applications/editors/idea/default.nix

···
           once it's ready.
         '';
         platforms = platforms.linux;
+        hydraPlatforms = []; # Depends on androidsdk, which hits Hydra's output limits
         maintainers = with maintainers; [ edwtjo ];
       };
     });