Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/Explosion_scarpetEventMixin.java

@@ -8,11 +8,9 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.damagesource.DamageSource;