Remove unused marker interface (#10404)

Mage/src/main/java/mage/abilities/common/AnimateDeadTriggeredAbility.java

@@ -6,7 +6,6 @@ import mage.abilities.DelayedTriggeredAbility;
 import mage.abilities.effects.ContinuousEffectImpl;
 import mage.abilities.effects.OneShotEffect;
 import mage.abilities.effects.common.SacrificeTargetEffect;
-import mage.abilities.effects.common.continuous.SourceEffect;
 import mage.abilities.keyword.EnchantAbility;
 import mage.cards.Card;
 import mage.constants.*;
@@ -63,7 +62,7 @@ public class AnimateDeadTriggeredAbility extends EntersBattlefieldTriggeredAbili
     }
 }
 
-class AnimateDeadReplaceAbilityEffect extends ContinuousEffectImpl implements SourceEffect {
+class AnimateDeadReplaceAbilityEffect extends ContinuousEffectImpl {
 
     private final boolean becomesAura;
     private Ability newAbility;

Mage/src/main/java/mage/abilities/effects/common/continuous/BecomesAuraSourceEffect.java

@@ -13,7 +13,7 @@ import mage.target.Target;
 /**
  * @author LevelX2
  */
-public class BecomesAuraSourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BecomesAuraSourceEffect extends ContinuousEffectImpl {
 
     private final Ability newAbility;
     private final Target target;

Mage/src/main/java/mage/abilities/effects/common/continuous/BecomesCreatureSourceEffect.java

@@ -12,7 +12,7 @@ import mage.game.permanent.token.Token;
 /**
  * @author BetaSteward_at_googlemail.com
  */
-public class BecomesCreatureSourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BecomesCreatureSourceEffect extends ContinuousEffectImpl {
 
     protected Token token;
     protected String theyAreStillType;

Mage/src/main/java/mage/abilities/effects/common/continuous/BecomesEnchantmentSourceEffect.java

@@ -10,7 +10,7 @@ import mage.game.permanent.Permanent;
 /**
  * @author jeffwadsworth
  */
-public class BecomesEnchantmentSourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BecomesEnchantmentSourceEffect extends ContinuousEffectImpl {
 
     public BecomesEnchantmentSourceEffect() {
         super(Duration.Custom, Layer.TypeChangingEffects_4, SubLayer.NA, Outcome.AddAbility);

Mage/src/main/java/mage/abilities/effects/common/continuous/BecomesFaceDownCreatureAllEffect.java

@@ -18,7 +18,7 @@ import java.util.*;
  * @author LevelX2
  */
 
-public class BecomesFaceDownCreatureAllEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BecomesFaceDownCreatureAllEffect extends ContinuousEffectImpl {
 
     protected Map<UUID, Ability> turnFaceUpAbilityMap = new HashMap<>();
     protected FilterPermanent filter;

Mage/src/main/java/mage/abilities/effects/common/continuous/BecomesFaceDownCreatureEffect.java

@@ -23,7 +23,7 @@ import java.util.List;
  *
  * @author LevelX2
  */
-public class BecomesFaceDownCreatureEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BecomesFaceDownCreatureEffect extends ContinuousEffectImpl {
 
     public enum FaceDownType {
         MANIFESTED,

Mage/src/main/java/mage/abilities/effects/common/continuous/BoostSourceEffect.java

@@ -17,7 +17,7 @@ import org.apache.log4j.Logger;
 /**
  * @author BetaSteward_at_googlemail.com
  */
-public class BoostSourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class BoostSourceEffect extends ContinuousEffectImpl {
     private DynamicValue power;
     private DynamicValue toughness;
     private final boolean lockedIn;

Mage/src/main/java/mage/abilities/effects/common/continuous/GainAbilitySourceEffect.java

@@ -14,7 +14,7 @@ import mage.game.permanent.Permanent;
 /**
  * @author BetaSteward_at_googlemail.com
  */
-public class GainAbilitySourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class GainAbilitySourceEffect extends ContinuousEffectImpl {
 
     protected Ability ability;
     // shall a card gain the ability (otherwise permanent)

Mage/src/main/java/mage/abilities/effects/common/continuous/GainClassAbilitySourceEffect.java

@@ -14,7 +14,7 @@ import mage.game.permanent.Permanent;
 /**
  * @author TheElk801
  */
-public class GainClassAbilitySourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class GainClassAbilitySourceEffect extends ContinuousEffectImpl {
 
     private final Ability ability;
     private final int level;

Mage/src/main/java/mage/abilities/effects/common/continuous/GainSuspendEffect.java

@@ -18,7 +18,7 @@ import mage.game.Game;
  * @author LevelX2
  */
 
-public class GainSuspendEffect extends ContinuousEffectImpl implements SourceEffect {
+public class GainSuspendEffect extends ContinuousEffectImpl {
 
     MageObjectReference mor;
 
@@ -48,4 +48,4 @@ public class GainSuspendEffect extends ContinuousEffectImpl implements SourceEff
         }
         return true;
     }
-}
+}

Mage/src/main/java/mage/abilities/effects/common/continuous/LoseCreatureTypeSourceEffect.java

@@ -11,7 +11,7 @@ import mage.util.CardUtil;
 /**
  * @author LevelX2
  */
-public class LoseCreatureTypeSourceEffect extends ContinuousEffectImpl implements SourceEffect {
+public class LoseCreatureTypeSourceEffect extends ContinuousEffectImpl {
 
     private final DynamicValue dynamicValue;
     private final int lessThan;

Mage/src/main/java/mage/abilities/effects/common/continuous/SourceEffect.java

@@ -1,9 +0,0 @@
-package mage.abilities.effects.common.continuous;
-
-/**
- * Marker interface
- *
- * @author magenoxx_at_gmail.com
- */
-public interface SourceEffect {
-}