Update libtiff URLs (#18611)

* libtiff: remove dead source url

* libgeotiff: update url

pkgs/development/libraries/libgeotiff/default.nix

@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libgeotiff-1.2.5";
 
   src = fetchurl {
-    url = ftp://ftp.remotesensing.org/pub/geotiff/libgeotiff/libgeotiff-1.2.5.tar.gz;
+    url = http://download.osgeo.org/geotiff/libgeotiff/libgeotiff-1.2.5.tar.gz;
     sha256 = "0z2yx77pm0zs81hc0b4lwzdd5s0rxcbylnscgq80b649src1fyzj";
   };
 

pkgs/development/libraries/libtiff/default.nix

@@ -7,10 +7,7 @@ stdenv.mkDerivation rec {
   name = "libtiff-${version}";
 
   src = fetchurl {
-    urls =
-      [ "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${version}.tar.gz"
-        "http://download.osgeo.org/libtiff/tiff-${version}.tar.gz"
-      ];
+    url = "http://download.osgeo.org/libtiff/tiff-${version}.tar.gz";
     sha256 = "136nf1rj9dp5jgv1p7z4dk0xy3wki1w0vfjbk82f645m0w4samsd";
   };