create PlayerManager static class

src/engine/powers/effectmodifiers/NoModEffectModifier.java

@@ -10,6 +10,7 @@
 package engine.powers.effectmodifiers;
 
 import engine.Enum.GameObjectType;
+import engine.gameManager.PlayerManager;
 import engine.jobs.AbstractEffectJob;
 import engine.objects.*;
 
@@ -40,7 +41,7 @@ public class NoModEffectModifier extends AbstractEffectModifier {
 
                 if (flyer.getAltitude() > 0)
                     flyer.update(false);
-                PlayerCharacter.GroundPlayer(flyer);
+                PlayerManager.GroundPlayer(flyer);
                 break;
 
         }