try to fix server-side crashes again

src/main/java/net/fretux/skillengine/client/ClientKeybinds.java

@@ -2,22 +2,13 @@ package net.fretux.skillengine.client;
 
 import net.fretux.skillengine.SkillEngine;
 import net.minecraft.client.KeyMapping;
-import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.client.event.RegisterKeyMappingsEvent;
-import net.minecraftforge.eventbus.api.SubscribeEvent;
-import net.minecraftforge.fml.common.Mod;
 import org.lwjgl.glfw.GLFW;
 
-@Mod.EventBusSubscriber(
-    modid = SkillEngine.MODID,
-    bus = Mod.EventBusSubscriber.Bus.MOD,
-    value = Dist.CLIENT
-)
 public class ClientKeybinds {
     public static KeyMapping OPEN_SKILLTREE;
     public static KeyMapping OPEN_ABILITIES;
 
-    @SubscribeEvent
     public static void registerKeys(RegisterKeyMappingsEvent event) {
         OPEN_SKILLTREE = new KeyMapping(
                 "key.skillengine.openskilltree",