idea: change source URLs to "nicer" ones (close #6211)

pkgs/applications/editors/idea/default.nix

@@ -232,7 +232,7 @@ in
     description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
     license = stdenv.lib.licenses.asl20;
     src = fetchurl {
-      url = "http://download-ln.jetbrains.com/idea/ideaIC-${version}.tar.gz";
+      url = "http://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
       sha256 = "01wcpzdahkh3li2l3k2bgirnlp7hdxk9y1kyrxc3d9d1nazq8wqn";
     };
   };
@@ -244,7 +244,7 @@ in
     description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
     license = stdenv.lib.licenses.unfree;
     src = fetchurl {
-      url = "http://download-ln.jetbrains.com/idea/ideaIU-${version}.tar.gz";
+      url = "http://download.jetbrains.com/idea/ideaIU-${version}.tar.gz";
       sha256 = "1zkqigdh9l1f3mjjvxsp7b7vc93v5ylvxa1dfpclzmfbzna7h69s";
     };
   };