fbc: clean up after x86_64-darwin drop

pkgs/development/compilers/fbc/mac-bin.nix

@@ -1,36 +0,0 @@
-{
-  stdenvNoCC,
-  lib,
-  fetchzip,
-}:
-
-stdenvNoCC.mkDerivation rec {
-  pname = "fbc-mac-bin";
-  version = "1.06-darwin-wip20160505";
-
-  src = fetchzip {
-    url = "https://tmc.castleparadox.com/temp/fbc-${version}.tar.bz2";
-    sha256 = "sha256-hD3SRUkk50sf0MhhgHNMvBoJHTKz/71lyFxaAXM4/qI=";
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out
-    cp -R * $out
-
-    runHook postInstall
-  '';
-
-  meta = {
-    homepage = "https://rpg.hamsterrepublic.com/ohrrpgce/Compiling_in_Mac_OS_X";
-    description = "FreeBASIC, a multi-platform BASIC Compiler (precompiled Darwin build by OHRRPGCE team)";
-    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-    license = lib.licenses.gpl2Plus; # runtime & graphics libraries are LGPLv2+ w/ static linking exception
-    maintainers = with lib.maintainers; [ OPNA2608 ];
-    platforms = [ ];
-  };
-}

pkgs/top-level/all-packages.nix

@@ -3256,11 +3256,7 @@ with pkgs;
   };
   fasm-bin = callPackage ../development/compilers/fasm/bin.nix { };
 
-  fbc =
-    if stdenv.hostPlatform.isDarwin then
-      callPackage ../development/compilers/fbc/mac-bin.nix { }
-    else
-      callPackage ../development/compilers/fbc { };
+  fbc = callPackage ../development/compilers/fbc { };
 
   filecheck = with python3Packages; toPythonApplication filecheck;