[NixOS] Remove keybase overlay

nixos/configuration.nix

@@ -103,7 +103,7 @@ in
     gitter
     google-chrome
     hexchat
-    keybase-gui-fixed
+    keybase-gui
     kleopatra
     kodi
     libreoffice

nixos/overlays.nix

@@ -33,37 +33,6 @@ self: super:
       makeWrapper libtool gnome3.gnome-common
     ];
   });
-  keybase-gui-fixed = super.keybase-gui.overrideAttrs (oldAttrs: rec {
-    installPhase = ''
-    mkdir -p $out/bin
-    mv usr/share $out/share
-    mv opt/keybase $out/share/
-    cat > $out/bin/keybase-gui <<EOF
-    #!${self.stdenv.shell}
-    checkFailed() {
-      if [ "\$NIX_SKIP_KEYBASE_CHECKS" = "1" ]; then
-        return
-      fi
-      echo "Set NIX_SKIP_KEYBASE_CHECKS=1 if you want to skip this check." >&2
-      exit 1
-    }
-    if [ ! -S "\$XDG_RUNTIME_DIR/keybase/keybased.sock" ]; then
-      echo "Keybase service doesn't seem to be running." >&2
-      echo "You might need to run: keybase service" >&2
-      checkFailed
-    fi
-    if [ -z "\$(keybase status | grep kbfsfuse)" ]; then
-      echo "Could not find kbfsfuse client in keybase status." >&2
-      echo "You might need to run: kbfsfuse" >&2
-      checkFailed
-    fi
-    exec $out/share/keybase/Keybase "\$@"
-    EOF
-    chmod +x $out/bin/keybase-gui
-    substituteInPlace $out/share/applications/keybase.desktop \
-      --replace run_keybase $out/bin/keybase-gui
-  '';
-  });
   networkmanager_strongswan = super.networkmanager_strongswan.overrideAttrs (oldAttrs: rec {
     src = super.fetchFromGitHub {
       owner = "IvanMalison";