Remove this check here, allows Salvage in Adv mode

We’re already checking if the players game mode isn’t CREATIVE, so we
can safely remove this check.

Fixes #2059

src/main/java/com/gmail/nossr50/skills/salvage/SalvageManager.java

@@ -3,7 +3,6 @@ package com.gmail.nossr50.skills.salvage;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.bukkit.GameMode;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.Sound;
@@ -58,10 +57,6 @@ public class SalvageManager extends SkillManager {
     public void handleSalvage(Location location, ItemStack item) {
         Player player = getPlayer();
 
-        if (player.getGameMode() != GameMode.SURVIVAL) {
-            return;
-        }
-
         Salvageable salvageable = mcMMO.getSalvageableManager().getSalvageable(item.getType());
 
         // Permissions checks on material and item types