using updated upstream dino instead of own overlay

home/ov/dino.nix

@@ -1,67 +0,0 @@
-{ stdenv, fetchFromGitHub
-, vala, cmake, ninja, wrapGAppsHook, pkgconfig, gettext
-, gobjectIntrospection, gnome3, glib, gdk_pixbuf, gtk3, glib-networking
-, xorg, libXdmcp, libxkbcommon
-, libnotify, libsoup
-, libgcrypt
-, epoxy
-, at-spi2-core
-, sqlite
-, dbus
-, gpgme
-, pcre
-, qrencode
- }:
-
-stdenv.mkDerivation rec {
-  name = "dino-unstable-2018-11-29";
-
-  src = fetchFromGitHub {
-    owner = "dino";
-    repo = "dino";
-    rev = "680d28360c781ff29e810821801cfaba0493c526";
-    sha256 = "1w08xc842p2nggdxf0dwqw8izhwsrqah10w3s0v1i7dp33yhycln";
-    fetchSubmodules = true;
-  };
-
-  nativeBuildInputs = [
-    vala
-    cmake
-    ninja
-    pkgconfig
-    wrapGAppsHook
-  ];
-
-  buildInputs = [
-    qrencode
-    gobjectIntrospection
-    glib-networking
-    glib
-    gnome3.libgee
-    gnome3.defaultIconTheme
-    sqlite
-    gdk_pixbuf
-    gtk3
-    libnotify
-    gpgme
-    libgcrypt
-    libsoup
-    pcre
-    xorg.libxcb
-    xorg.libpthreadstubs
-    libXdmcp
-    libxkbcommon
-    epoxy
-    at-spi2-core
-    dbus
-    gettext
-  ];
-
-  meta = with stdenv.lib; {
-    description = "Modern Jabber/XMPP Client using GTK+/Vala";
-    homepage = https://github.com/dino/dino;
-    license = licenses.gpl3;
-    platforms = platforms.linux;
-    maintainers = [ maintainers.mic92 ];
-  };
-}

home/overlays.nix

@@ -1,6 +1,5 @@
 [(self: super:
 {
-  dino = super.callPackage ./ov/dino.nix {};
   amarok = super.libsForQt5.callPackage ./ov/amarok.nix {};
 }
 )]