perf: remove libbfd input

Unused since upstream commit dd317df07207 ("perf build: Make binutil
libraries opt in").

Closes: https://github.com/NixOS/nixpkgs/issues/436678

pkgs/by-name/pe/perf/package.nix

@@ -20,7 +20,6 @@
   binutils-unwrapped,
   libiberty,
   audit,
-  libbfd,
   libopcodes,
   libpfm,
   libtraceevent,
@@ -120,7 +119,6 @@ stdenv.mkDerivation {
     numactl
     python3
     babeltrace
-    libbfd
     libopcodes
     libpfm
     python3.pkgs.setuptools