vista-fonts-chs: use installFonts

pkgs/by-name/vi/vista-fonts-chs/package.nix

@@ -3,6 +3,7 @@
   stdenvNoCC,
   fetchurl,
   cabextract,
+  installFonts,
 }:
 
 stdenvNoCC.mkDerivation {
@@ -16,7 +17,10 @@ stdenvNoCC.mkDerivation {
     hash = "sha256-saMIBEDTt9Ijv8g1nQHRNTG1ykIbHrCxjzdhhRYYleM=";
   };
 
-  nativeBuildInputs = [ cabextract ];
+  nativeBuildInputs = [
+    cabextract
+    installFonts
+  ];
 
   unpackPhase = ''
     runHook preUnpack
@@ -29,9 +33,6 @@ stdenvNoCC.mkDerivation {
   installPhase = ''
     runHook preInstall
 
-    mkdir -p $out/share/fonts/truetype
-    cp *.ttf $out/share/fonts/truetype
-
     # Set up no-op font configs to override any aliases set up by
     # other packages.
     mkdir -p $out/etc/fonts/conf.d