some minor fixes

src/main/java/com/sosnitzka/taiga/traits/TraitFragile.java

@@ -40,7 +40,6 @@ public class TraitFragile extends AbstractTrait {
                     if (r == 1) y += d;
                     if (r == 2) z += d;
                     BlockPos nextBlock = new BlockPos(x, y, z);
-                    int tn = (int) world.getWorldTime() + 5;
                     if (world.getBlockState(nextBlock) == world.getBlockState(pos)) {
                         Block block = Blocks.STONE;
                         int ib = random.nextInt(3);

src/main/java/com/sosnitzka/taiga/traits/TraitGarishly.java

@@ -57,6 +57,7 @@ public class TraitGarishly extends AbstractTrait {
                         break;
                 }
 
+                assert i != null;
                 event.getDrops().add(0, new EntityItem(w, event.getEntity().posX, event.getEntity().posY, event.getEntity().posZ, i));
             }
         }