pkgs/data/fonts: merge back the split otb output

Since the Pango issue 457[1] has been fixed and Nixpkgs patched, it's no
longer necessary to keep X11 and .otb fonts in separate outputs (previously
they would cause application to display broken fonts).

[1]: https://gitlab.gnome.org/GNOME/pango/-/issues/457

pkgs/data/fonts/uw-ttyp0/default.nix

@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
     install -m 644 -D psf/*.psf -t "$fontDir"
 
     # install otb fonts
-    fontDir="$otb/share/fonts/X11/misc"
+    fontDir="$out/share/fonts/X11/misc"
     install -m 644 -D otb/*.otb -t "$fontDir"
     mkfontdir "$fontDir"
   '';
@@ -80,8 +80,6 @@ stdenv.mkDerivation rec {
     runHook postConfigure
   '';
 
-  outputs = [ "out" "otb" ];
-
   meta = with stdenv.lib; {
     description = "Monospace bitmap screen fonts for X11";
     homepage = "https://people.mpi-inf.mpg.de/~uwe/misc/uw-ttyp0/";