Optimise chunk tick checking during chunk tick

We don't need to check for this with the chunk system, as
ticking chunks are actually guaranteed to ticking. Additionally,
ticking chunks may only become non-ticking during the chunk holder
manager tick - which will not happen during chunk ticking.

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/DistanceManagerMixin.java

@@ -86,8 +86,7 @@ public abstract class DistanceManagerMixin implements ChunkSystemDistanceManager
                     value = "RETURN"
             )
     )
-    private void destroyFields(final Executor executor, final Executor executor2,
-                               final CallbackInfo ci) {
+    private void destroyFields(final CallbackInfo ci) {
         this.tickets = null;
         this.ticketTracker = null;
         this.tickingTicketsTracker = null;

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ServerChunkCacheMixin.java

@@ -16,6 +16,7 @@
 import net.minecraft.server.level.FullChunkStatus;
 import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkSource;
 import net.minecraft.world.level.chunk.LevelChunk;
@@ -298,4 +299,36 @@ private void midTickChunks(final CallbackInfo ci) {
 
         ((ChunkSystemMinecraftServer)this.level.getServer()).moonrise$executeMidTickTasks();
     }
+
+    /**
+     * @reason In the chunk system, ticking chunks always have loaded entities. Of course, they are also always
+     *         marked to be as ticking as well.
+     * @author Spottedleaf
+     */
+    @Redirect(
+            method = "tickChunks",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/server/level/ServerLevel;isNaturalSpawningAllowed(Lnet/minecraft/world/level/ChunkPos;)Z"
+            )
+    )
+    private boolean shortNaturalSpawning(final ServerLevel instance, final ChunkPos chunkPos) {
+        return true;
+    }
+
+    /**
+     * @reason In the chunk system, ticking chunks always have loaded entities. Of course, they are also always
+     *         marked to be as ticking as well.
+     * @author Spottedleaf
+     */
+    @Redirect(
+            method = "tickChunks",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/server/level/ServerLevel;shouldTickBlocksAt(J)Z"
+            )
+    )
+    private boolean shortShouldTickBlocks(final ServerLevel instance, final long pos) {
+        return true;
+    }
 }