siproxd: drop

Upstream has seen only minimal maintenance and is incompatible with
libosip 5.x.

pkgs/by-name/si/siproxd/cheaders.patch

@@ -1,14 +0,0 @@
-diff --git a/src/dejitter.c b/src/dejitter.c
-index 1904ab3..cb3624d 100644
---- a/src/dejitter.c
-+++ b/src/dejitter.c
-@@ -22,6 +22,8 @@
-
- #include <errno.h>
-
-+#include <string.h>
-+#include <sys/time.h>
- #include <unistd.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>

pkgs/by-name/si/siproxd/package.nix

@@ -1,33 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  libosip,
-  sqlite,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "siproxd";
-  version = "0.8.3";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/siproxd/siproxd-${version}.tar.gz";
-    sha256 = "0dkpl3myxz3gvj2n2qpqrd19dip9il0vf7qybdvn5wgznrmplvcs";
-  };
-
-  patches = [ ./cheaders.patch ];
-
-  buildInputs = [
-    libosip
-    sqlite
-  ];
-
-  meta = {
-    homepage = "http://siproxd.sourceforge.net/";
-    description = "Masquerading SIP Proxy Server";
-    mainProgram = "siproxd";
-    maintainers = [ ];
-    platforms = with lib.platforms; linux;
-    license = lib.licenses.gpl2Plus;
-  };
-}

pkgs/top-level/aliases.nix

@@ -1706,6 +1706,7 @@ mapAliases {
   signal-desktop-source = lib.warnOnInstantiate "'signal-desktop-source' is now exposed at 'signal-desktop'." signal-desktop; # Added 2025-04-16
   silc_server = throw "'silc_server' has been removed because it is unmaintained"; # Added 2025-05-12
   silc_client = throw "'silc_client' has been removed because it is unmaintained"; # Added 2025-05-12
+  siproxd = throw "'siproxd' has been as it was unmaintained and incompatible with newer libosip versions"; # Added 2025-05-18
   sheesy-cli = throw "'sheesy-cli' has been removed due to lack of upstream maintenance"; # Added 2025-01-26
   shout = nodePackages.shout; # Added unknown; moved 2024-10-19
   sky = throw "'sky' has been removed because its upstream website disappeared"; # Added 2024-07-21