vscode: specify runtimeDependencies instead of LD_LIBRARY_PATH

This avoids glibc verions mismatches in vscode terminal, as
LD_LIBRARY_PATH leaks into terminal and break with user installed
executables.

pkgs/applications/editors/vscode/generic.nix

@@ -62,6 +62,8 @@ in
       else [ gtk2 at-spi2-atk wrapGAppsHook ] ++ atomEnv.packages)
         ++ [ libsecret libXScrnSaver ];
 
+    runtimeDependencies = [ systemd.lib fontconfig.lib ];
+
     nativeBuildInputs = lib.optional (!stdenv.isDarwin) autoPatchelfHook;
 
     dontBuild = true;
@@ -94,9 +96,5 @@ in
         grep -q "VSCODE_PATH='$out/lib/vscode'" $out/bin/${executableName} # check if sed succeeded
       '';
 
-    preFixup = lib.optionalString (system == "i686-linux" || system == "x86_64-linux") ''
-      gappsWrapperArgs+=(--prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ systemd fontconfig ]})
-    '';
-
     inherit meta;
   }