Remove unnecessary null checks for missing mappings

"Missing mappings" are given placeholder values upon startup, so these null checks are pointless.

connector/src/main/java/org/geysermc/connector/network/translators/block/BlockTranslator.java

@@ -1,18 +1,11 @@
 package org.geysermc.connector.network.translators.block;
 
 import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
-import org.geysermc.connector.console.GeyserLogger;
 import org.geysermc.connector.utils.Toolbox;
 
 public class BlockTranslator {
 
     public BlockEntry getBedrockBlock(BlockState state) {
-        BlockEntry bedrockItem = Toolbox.BLOCK_ENTRIES.get(state.getId());
-        if (bedrockItem == null) {
-            GeyserLogger.DEFAULT.debug("Missing mapping for java block " + state.getId() + "/nPlease report this to Geyser.");
-            return Toolbox.BLOCK_ENTRIES.get(10); // so we can walk and not getting stuck x)
-        }
-
-        return bedrockItem;
+        return Toolbox.BLOCK_ENTRIES.get(state.getId());
     }
 }

connector/src/main/java/org/geysermc/connector/network/translators/item/ItemTranslator.java

@@ -75,13 +75,7 @@ public class ItemTranslator {
     }
 
     public ItemEntry getItem(ItemStack stack) {
-        ItemEntry item = Toolbox.ITEM_ENTRIES.get(stack.getId());
-        if (item == null) {
-            GeyserLogger.DEFAULT.debug("Missing mapping for java item " + stack.getId());
-            return ItemEntry.AIR;
-        }
-
-        return item;
+        return Toolbox.ITEM_ENTRIES.get(stack.getId());
     }
 
     public ItemEntry getItem(ItemData data) {

connector/src/main/java/org/geysermc/connector/utils/ChunkUtils.java

@@ -15,11 +15,9 @@ public class ChunkUtils {
         Chunk[] chunks = column.getChunks();
         int chunkSectionCount = chunks.length;
         chunkData.sections = new ChunkSection[chunkSectionCount];
-        for (int i = 0; i < chunkSectionCount; i++) {
-            chunkData.sections[i] = new ChunkSection();
-        }
 
         for (int chunkY = 0; chunkY < chunkSectionCount; chunkY++) {
+            chunkData.sections[chunkY] = new ChunkSection();
             Chunk chunk = chunks[chunkY];
 
             if (chunk == null || chunk.isEmpty())