Remove unused import.

src/main/java/com/gmail/nossr50/commands/SkillCommand.java

@@ -12,7 +12,6 @@ import com.gmail.nossr50.datatypes.SkillType;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.util.Misc;
 import com.gmail.nossr50.util.Page;
-import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.Users;
 
 public abstract class SkillCommand implements CommandExecutor {