git-annex-remote-rclone: remove phases

pkgs/applications/version-management/git-and-tools/git-annex-remote-rclone/default.nix

···
 
   nativeBuildInputs = [ makeWrapper ];
 
-  phases = [ "unpackPhase" "installPhase" "fixupPhase" ];
-
   installPhase = ''
     mkdir -p $out/bin
     cp git-annex-remote-rclone $out/bin