Bugfix remove unused import

Author: Ale32bit

src/main/java/cc/reconnected/chatbox/command/ChatboxCommand.java

@@ -11,7 +11,6 @@
 import net.minecraft.network.chat.HoverEvent;
 import net.minecraft.network.chat.MutableComponent;
 import net.minecraft.network.chat.Style;
-import net.minecraft.text.*;
 
 import static net.minecraft.commands.Commands.*;