Add instruction for channel removal (openhab#14473)

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>

bundles/org.openhab.binding.danfossairunit/src/main/resources/OH-INF/thing/thing-types.xml

@@ -18,6 +18,7 @@
 		</channel-groups>
 		<properties>
 			<property name="vendor">Danfoss</property>
+			<property name="thingTypeVersion">1</property>
 		</properties>
 		<representation-property>host</representation-property>
 		<config-description>

bundles/org.openhab.binding.danfossairunit/src/main/resources/OH-INF/update/instructions.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<update:update-descriptions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:update="https://openhab.org/schemas/update-description/v1.0.0"
+	xsi:schemaLocation="https://openhab.org/schemas/update-description/v1.0.0 https://openhab.org/schemas/update-description-1.0.0.xsd">
+
+	<thing-type uid="danfossairunit:airunit">
+
+		<instruction-set targetVersion="1">
+			<remove-channel id="manual_fan_speed" groupIds="main"/>
+		</instruction-set>
+
+	</thing-type>
+
+</update:update-descriptions>