Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/WorldGenRegion_scarpetPlopMixin.java

@@ -0,0 +1,19 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.WorldGenRegion;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(WorldGenRegion.class)
+public class WorldGenRegion_scarpetPlopMixin
+{
+    @Inject(method = "markPosForPostprocessing", at = @At("HEAD"), cancellable = true)
+    private void markOrNot(BlockPos blockPos, CallbackInfo ci)
+    {
+        if (CarpetSettings.skipGenerationChecks.get()) ci.cancel();
+    }
+}