solanum: remove obsolete BANDB settings/patches

nixos/modules/services/networking/solanum.nix

@@ -82,9 +82,6 @@ in
         description = "Solanum IRC daemon";
         after = [ "network.target" ];
         wantedBy = [ "multi-user.target" ];
-        environment = {
-          BANDB_DBPATH = "/var/lib/solanum/ban.db";
-        };
         serviceConfig = {
           ExecStart   = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile ${configFile} -pidfile /run/solanum/ircd.pid";
           DynamicUser = true;

pkgs/servers/irc/solanum/bandb.patch

@@ -1,12 +0,0 @@
-diff --git a/ircd/bandbi.c b/ircd/bandbi.c
-index 29a3bfa2..16a40f17 100644
---- a/ircd/bandbi.c
-+++ b/ircd/bandbi.c
-@@ -83,7 +83,6 @@ start_bandb(void)
- 	const char *suffix = "";
- #endif
- 
--	rb_setenv("BANDB_DBPATH", ircd_paths[IRCD_PATH_BANDB], 1);
- 	if(bandb_path == NULL)
- 	{
- 		snprintf(fullpath, sizeof(fullpath), "%s%cbandb%s", ircd_paths[IRCD_PATH_LIBEXEC], RB_PATH_SEPARATOR, suffix);

pkgs/servers/irc/solanum/default.nix

@@ -23,7 +23,6 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./dont-create-logdir.patch
-    ./bandb.patch # https://github.com/solanum-ircd/solanum/issues/156
   ];
 
   configureFlags = [