refactor: remove arrayWithLength, replace with std::vector

Eliminates the custom arrayWithLength<T> wrapper and all typedefs, replacing with std::vector<T> directly.

minecraft/Minecraft.Client/Common/Source Files/GameRules/LevelGeneration/LevelGenerationOptions.cpp

@@ -360,7 +360,7 @@ ConsoleSchematicFile* LevelGenerationOptions::loadSchematicFile(
     }
 
     ConsoleSchematicFile* schematic = nullptr;
-    byteArray data(pbData, dataLength);
+    std::vector<uint8_t> data(pbData, pbData + dataLength);
     ByteArrayInputStream bais(data);
     DataInputStream dis(&bais);
     schematic = new ConsoleSchematicFile();