aliases.nix: add aliases for removed torch packages

We've removed the abandoned and broken torch project as part of https://github.com/NixOS/nixpkgs/issues/71888

This commit adds aliases for:

- https://github.com/NixOS/nixpkgs/pull/81173
- https://github.com/NixOS/nixpkgs/pull/83568

pkgs/top-level/aliases.nix

@@ -113,6 +113,7 @@ mapAliases ({
   etcdctl = etcd; # added 2018-04-25
   exfat-utils = exfat;                  # 2015-09-11
   facette = throw "facette has been removed."; # added 2020-01-06
+  fast-neural-doodle = throw "fast-neural-doodle has been removed, as the upstream project has been abandoned"; # added 2020-03-28
   fetchFromGithub = throw "You meant fetchFromGitHub, with a capital H.";
   ffadoFull = ffado; # added 2018-05-01
   firefox-esr-wrapper = firefox-esr;  # 2016-01
@@ -246,6 +247,7 @@ mapAliases ({
   links = links2; # added 2016-01-31
   linux_rpi0 = linux_rpi1;
   linuxPackages_rpi0 = linuxPackages_rpi1;
+  loadcaffe = throw "loadcaffe has been removed, as the upstream project has been abandoned"; # added 2020-03-28
   lttngTools = lttng-tools;  # added 2014-07-31
   lttngUst = lttng-ust;  # added 2014-07-31
   lua5_1_sockets = lua51Packages.luasocket; # added 2017-05-02
@@ -292,10 +294,11 @@ mapAliases ({
   networkmanager_openconnect = networkmanager-openconnect; # added 2018-02-25
   networkmanager_openvpn = networkmanager-openvpn; # added 2018-02-25
   networkmanager_vpnc = networkmanager-vpnc; # added 2018-02-25
-  nix-review = nixpkgs-review; # added 2019-12-22
+  neutral-style = throw "neural-style has been removed, as the upstream project has been abandoned"; # added 2020-03-28
   nfsUtils = nfs-utils;  # added 2014-12-06
   nginxUnstable = nginxMainline; # added 2018-04-25
   nilfs_utils = nilfs-utils; # added 2018-04-25
+  nix-review = nixpkgs-review; # added 2019-12-22
   nmap_graphical = nmap-graphical;  # added 2017-01-19
   nologin = shadow; # added 2018-04-25
   nxproxy = nx-libs; # added 2019-02-15
@@ -495,10 +498,14 @@ mapAliases ({
   tftp_hpa = tftp-hpa; # added 2015-04-03
   tomcat85 = tomcat8; # added 2020-03-11
   torbrowser = tor-browser-bundle-bin; # added 2017-04-05
-  transporter = throw "transporter has been removed. It was archived upstream, so it's considered abandoned.";
+  torch = throw "torch has been removed, as the upstream project has been abandoned"; # added 2020-03-28
+  torch-hdf5 = throw "torch-hdf5 has been removed, as the upstream project has been abandoned"; # added 2020-03-28
+  torch-repl = throw "torch-repl has been removed, as the upstream project has been abandoned"; # added 2020-03-28
+  torchPackages = throw "torchPackages has been removed, as the upstream project has been abandoned"; # added 2020-03-28
   trang = jing-trang; # added 2018-04-25
   transmission_gtk = transmission-gtk; # added 2018-01-06
   transmission_remote_gtk = transmission-remote-gtk; # added 2018-01-06
+  transporter = throw "transporter has been removed. It was archived upstream, so it's considered abandoned.";
   truecrypt = veracrypt; # added 2018-10-24
   tshark = wireshark-cli; # added 2018-04-25
   ubootBeagleboneBlack = ubootAmx335xEVM; # added 2020-01-21