swftools: move to pkgs/by-name

this shouldn't create any rebuilds

pkgs/by-name/sw/swftools/package.nix

@@ -1,13 +1,13 @@
 {
   lib,
-  stdenv,
+  gccStdenv,
   fetchurl,
   freetype,
   libjpeg,
   zlib,
 }:
 
-stdenv.mkDerivation rec {
+gccStdenv.mkDerivation rec {
   pname = "swftools";
   version = "0.9.2";
 

pkgs/top-level/all-packages.nix

@@ -6259,10 +6259,6 @@ with pkgs;
     stdenv = if stdenv.hostPlatform.isDarwin then gccStdenv else stdenv;
   };
 
-  swftools = callPackage ../tools/video/swftools {
-    stdenv = gccStdenv;
-  };
-
   teensyduino = arduino-core.override {
     withGui = true;
     withTeensyduino = true;