remove most terraworld dependency

common/addons/generation-stage-feature/src/main/java/com/dfsek/terra/addons/generation/feature/FeatureGenerationStage.java

@@ -21,7 +21,6 @@ public class FeatureGenerationStage implements TerraGenerationStage {
     @Override
     @SuppressWarnings("try")
     public void populate(World world, Chunk chunk) {
-        TerraWorld terraWorld = main.getWorld(world);
         try(ProfileFrame ignore = main.getProfiler().profile("feature")) {
             int cx = chunk.getX() << 4;
             int cz = chunk.getZ() << 4;

common/api/src/main/java/com/dfsek/terra/api/TerraPlugin.java

@@ -22,8 +22,6 @@ import java.io.File;
 public interface TerraPlugin extends LoaderRegistrar {
     WorldHandle getWorldHandle();
 
-    TerraWorld getWorld(World world);
-
     Logger logger();
 
     PluginConfig getTerraConfig();

common/implementation/src/main/java/com/dfsek/terra/commands/GetBlockCommand.java

@@ -23,6 +23,6 @@ public class GetBlockCommand implements CommandTemplate {
     @Override
     public void execute(CommandSender sender) {
         Player player = (Player) sender;
-        sender.sendMessage("Block: " + main.getWorld(player.world()).getUngeneratedBlock(player.position()).getAsString());
+        sender.sendMessage("Block: " + player.world().getTerraGenerator().getBlock(player.world(), player.position()).getAsString());
     }
 }