Remove doubling of custom key metainfo.xml.in

data/de.zwarf.picplanner.metainfo.xml.in

@@ -55,12 +55,9 @@
 
 	<custom>
     <value key="Purism::form_factor">mobile</value>
+	  	<value key="GnomeSoftware::key-colors">[(140, 40, 40), (250, 95, 85)]</value>
   </custom>
 
-	<custom>
-	  <value key="GnomeSoftware::key-colors">[(140, 40, 40), (250, 95, 85)]</value>
-	</custom>
-
 	<supports>
     <control>keyboard</control>
     <control>pointing</control>