fix checkstyle

Author: jasonlessenich

src/main/java/net/javadiscord/javabot/systems/staff_commands/tags/CustomTagManager.java

@@ -7,7 +7,6 @@
 import net.dv8tion.jda.api.events.interaction.command.CommandAutoCompleteInteractionEvent;
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
 import net.dv8tion.jda.api.interactions.commands.Command;
-import net.dv8tion.jda.api.interactions.commands.OptionMapping;
 import net.dv8tion.jda.api.requests.RestAction;
 import net.dv8tion.jda.api.requests.restaction.interactions.AutoCompleteCallbackAction;
 import net.javadiscord.javabot.systems.staff_commands.tags.dao.CustomTagRepository;