tpm2-pkcs11: Remove myself as maintainer

I do not feel qualified for maintaining this package any longer.
IIRC I took it from lschuermann after they left the nixpkgs community,
but I see now that I am not able to maintain this.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

pkgs/misc/tpm2-pkcs11/default.nix

@@ -80,7 +80,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/tpm2-software/tpm2-pkcs11";
     license = licenses.bsd2;
     platforms = platforms.linux;
-    maintainers = with maintainers; [ matthiasbeyer ];
+    maintainers = with maintainers; [ ];
     mainProgram = "tpm2_ptool";
   };
 }