undo change in installPhase - temporary directoy is different, but install dir isn't

esp32-tools.nix

@@ -71,10 +71,7 @@ in stdenv.mkDerivation {
     ct-ng build.''${NIX_BUILD_CORES:-1}
   '';
 
-  installPhase = if canadian then ''
-    #FIXME
-    cp -aT builds/xtensa-esp32-elf $out
-  '' else ''
+  installPhase = ''
     cp -aT builds/xtensa-esp32-elf $out
   '';
 }