weechatScripts.weechat-xmpp: remove

This plugin is fairly outdated and depends on python2 libraries that
don't receive any updates either (xmpppy for instance[1]).

[1] https://pypi.org/project/xmpppy/

nixos/doc/manual/release-notes/rl-1909.xml

@@ -422,6 +422,12 @@
        It was not useful except for debugging purposes and was confusingly set as default in some circumstances.
      </para>
    </listitem>
+   <listitem>
+    <para>
+     The WeeChat plugin <literal>pkgs.weechatScripts.weechat-xmpp</literal> has been removed as it doesn't receive
+     any updates from upstream and depends on outdated Python2-based modules.
+    </para>
+   </listitem>
 
   </itemizedlist>
  </section>
@@ -718,7 +724,14 @@
        Note: There's been some issues with python-cherrypy, which is used by the dashboard
        and prometheus mgr modules (and possibly others), hence 0000-dont-check-cherrypy-version.patch.
      </para>
-   </listitem>
+    </listitem>
+    <listitem>
+     <para>
+      <literal>pkgs.weechat</literal> is now compiled against <literal>pkgs.python3</literal>.
+      Weechat also recommends <link xlink:href="https://weechat.org/scripts/python3/">to use Python3
+      in their docs.</link>
+     </para>
+    </listitem>
   </itemizedlist>
  </section>
 </section>

pkgs/applications/networking/irc/weechat/scripts/default.nix

@@ -1,10 +1,6 @@
 { callPackage, luaPackages }:
 
 {
-  weechat-xmpp = callPackage ./weechat-xmpp {
-    inherit (pythonPackages) pydns;
-  };
-
   weechat-matrix-bridge = callPackage ./weechat-matrix-bridge {
     inherit (luaPackages) cjson luaffi;
   };

pkgs/applications/networking/irc/weechat/scripts/weechat-xmpp/default.nix

@@ -1,36 +0,0 @@
-{ stdenv, fetchFromGitHub, xmpppy, pydns, substituteAll, buildEnv }:
-
-stdenv.mkDerivation {
-  name = "weechat-jabber-2017-08-30";
-
-  src = fetchFromGitHub {
-    repo = "weechat-xmpp";
-    owner = "sleduc";
-    sha256 = "0s02xs0ynld9cxxzj07al364sfglyc5ir1i82133mq0s8cpphnxv";
-    rev = "8f6c21f5a160c9318c7a2d8fd5dcac7ab2e0d843";
-  };
-
-  installPhase = ''
-    mkdir -p $out/share
-    cp jabber.py $out/share/jabber.py
-  '';
-
-  patches = [
-    (substituteAll {
-      src = ./libpath.patch;
-      env = "${buildEnv {
-        name = "weechat-xmpp-env";
-        paths = [ pydns xmpppy ];
-      }}/lib/python2.7/site-packages";
-    })
-  ];
-
-  passthru.scripts = [ "jabber.py" ];
-
-  meta = with stdenv.lib; {
-    description = "A fork of the jabber plugin for weechat";
-    homepage = "https://github.com/sleduc/weechat-xmpp";
-    maintainers = with maintainers; [ ma27 ];
-    license = licenses.gpl3Plus;
-  };
-}

pkgs/applications/networking/irc/weechat/scripts/weechat-xmpp/libpath.patch

@@ -1,16 +0,0 @@
-diff --git a/jabber.py b/jabber.py
-index 27006a3..e53c2c0 100644
---- a/jabber.py
-+++ b/jabber.py
-@@ -95,6 +95,11 @@ SCRIPT_COMMAND = SCRIPT_NAME
- import re
- import warnings
- 
-+import sys
-+
-+sys.path.append('@env@')
-+
-+
- import_ok = True
- 
- try:

pkgs/top-level/aliases.nix

@@ -380,7 +380,6 @@ mapAliases ({
   virtviewer = virt-viewer; # added 2015-12-24
   vorbisTools = vorbis-tools; # added 2016-01-26
   webkit = webkitgtk; # added 2019-03-05
-  weechat-xmpp = weechatScripts.weechat-xmpp; # added 2018-09-06
   weechat-matrix-bridge = weechatScripts.weechat-matrix-bridge; # added 2018-09-06
   wineStaging = wine-staging; # added 2018-01-08
   winusb = woeusb; # added 2017-12-22