Revert "SPIGOT-7447: Fix --forceUpgrade"

This reverts commit 136f843d31.

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/server/MinecraftServer.patch

@@ -269,7 +269,7 @@
 +            if (options.has("forceUpgrade")) {
 +                net.minecraft.server.Main.forceUpgrade(worldSession, DataConverterRegistry.getDataFixer(), options.has("eraseCache"), () -> {
 +                    return true;
-+                }, dimensions);
++                }, iregistry);
 +            }
 +
 +            WorldDataServer iworlddataserver = worlddata;