WorldGen: Now only somewhat lock up server TPS

Use recent change to core so that we no longer request 8 chunk
generations per server tick, but instead just 1.

common/src/main/java/com/seibel/lod/common/wrappers/VersionConstants.java

@@ -40,4 +40,9 @@ public class VersionConstants implements IVersionConstants {
                 return true;
         }*/
     }
+    
+    @Override
+    public int getWorldGenerationCountPerThread() {
+    	return 1;
+    }
 }

common/src/main/java/com/seibel/lod/common/wrappers/worldGeneration/WorldGeneratorWrapper.java

@@ -1,23 +1,16 @@
 package com.seibel.lod.common.wrappers.worldGeneration;
 
-import java.util.concurrent.ExecutionException;
-
 import com.seibel.lod.core.builders.lodBuilding.LodBuilder;
 import com.seibel.lod.core.builders.lodBuilding.LodBuilderConfig;
 import com.seibel.lod.core.enums.config.DistanceGenerationMode;
 import com.seibel.lod.core.objects.lod.LodDimension;
-//import com.seibel.lod.core.util.SingletonHandler;
 import com.seibel.lod.core.wrapperInterfaces.chunk.AbstractChunkPosWrapper;
-//import com.seibel.lod.core.wrapperInterfaces.config.ILodConfigWrapperSingleton;
 import com.seibel.lod.core.wrapperInterfaces.world.IWorldWrapper;
 import com.seibel.lod.core.wrapperInterfaces.worldGeneration.AbstractWorldGeneratorWrapper;
 import com.seibel.lod.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.lod.common.wrappers.world.WorldWrapper;
 
-import net.minecraft.server.level.ChunkHolder;
-import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
-import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.*;
 
 /**