iosevka, iosevka-bin: move to pkgs/by-name (#370937)

pkgs/by-name/io/iosevka-bin/update-bin.sh

@@ -14,7 +14,7 @@ if test "$oldVersion" = "$version"; then
     exit 0
 fi
 
-sed -i "s/$oldVersion/$version/" bin.nix
+sed -i "s/$oldVersion/$version/" package.nix
 
 {
     echo '# This file was autogenerated. DO NOT EDIT!'

pkgs/top-level/all-packages.nix

@@ -12752,8 +12752,6 @@ with pkgs;
     inherit (plasma5Packages) breeze-icons;
   };
 
-  iosevka = callPackage ../data/fonts/iosevka { };
-  iosevka-bin = callPackage ../data/fonts/iosevka/bin.nix { };
   iosevka-comfy = recurseIntoAttrs (callPackages ../data/fonts/iosevka/comfy.nix {});
 
   kde-rounded-corners = kdePackages.callPackage ../data/themes/kwin-decorations/kde-rounded-corners { };