haskell-bustle: simplify the override now that those changes are in cabal2nix

Might be of interest to @jtojnar.

pkgs/development/haskell-modules/configuration-common.nix

@@ -602,22 +602,8 @@ self: super: {
   # https://github.com/athanclark/sets/issues/2
   sets = dontCheck super.sets;
 
-  bustle = pkgs.lib.pipe super.bustle [
-    # Do not build hgettext as it is broken
-    # https://gitlab.freedesktop.org/bustle/bustle/issues/13
-    (bustle: bustle.override { hgettext = null; })
-    (bustle: disableCabalFlag bustle "hgettext")
-
-    # Bustle specifies OtherLicense even though the code is actually LGPL
-    # https://gitlab.freedesktop.org/bustle/bustle/merge_requests/17
-    (bustle: bustle.overrideAttrs (attrs: {
-      meta = builtins.removeAttrs attrs.meta [ "hydraPlatforms" ] // {
-        license = pkgs.lib.licenses.lgpl21Plus;
-      };
-    }))
-
   # Install icons, metadata and cli program.
-    (bustle: overrideCabal bustle (drv: {
+  bustle = overrideCabal super.bustle (drv: {
     buildDepends = [ pkgs.libpcap ];
     buildTools = with pkgs.buildPackages; [ gettext perl help2man ];
     patches = [
@@ -635,8 +621,7 @@ self: super: {
     postInstall = ''
       make install PREFIX=$out
     '';
-    }))
+  });
-  ];
 
   # Byte-compile elisp code for Emacs.
   ghc-mod = overrideCabal super.ghc-mod (drv: {