bump version to 1.4.22

Took 15 minutes

gradle.properties

@@ -34,7 +34,7 @@ mod_name=Power Tool
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=GPL-3.0
 # The mod version. See https://semver.org/
-mod_version=1.4.21
+mod_version=1.4.22
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/org/teacon/powertool/client/gui/SetCommandScreen.java

@@ -1,6 +1,5 @@
 package org.teacon.powertool.client.gui;
 
-import com.mojang.datafixers.util.Pair;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.components.Button;