docs: remove avatar style props table feature column (#4917)

Author: web-padawan

articles/components/avatar/styling.adoc

@@ -78,79 +78,63 @@ include::../_styling-section-theming-props.adoc[tag=style-properties]
 
 === Common Properties
 
-[cols="1,2,2"]
+[cols="2,1"]
 |===
-| Feature | Property | Supported by
+| Property | Supported by
 
-|Avatar size
-|`--vaadin-avatar-size`
-|Aura, Lumo
-
-|Avatar background
 |`--vaadin-avatar-background`
 |Aura, Lumo
 
-|Avatar border width
 |`--vaadin-avatar-border-width`
 |Aura
 
-|Avatar border color
 |`--vaadin-avatar-border-color`
 |Aura
 
-|Avatar Group overlap
 |`--vaadin-avatar-group-overlap`
 |Aura, Lumo
 
-|Avatar Group gap
 |`--vaadin-avatar-group-gap`
 |Aura, Lumo
 
+|`--vaadin-avatar-size`
+|Aura, Lumo
+
 |===
 
 === User Color Properties
 
-[cols="1,2,2"]
+[cols="2,1"]
 |===
-| Feature | Property | Supported by
+| Property | Supported by
 
-|User color 0
 |`--vaadin-user-color-0`
 |Aura, Lumo
 
-|User color 1
 |`--vaadin-user-color-1`
 |Aura, Lumo
 
-|User color 2
 |`--vaadin-user-color-2`
 |Aura, Lumo
 
-|User color 3
 |`--vaadin-user-color-3`
 |Aura, Lumo
 
-|User color 4
 |`--vaadin-user-color-4`
 |Aura, Lumo
 
-|User color 5
 |`--vaadin-user-color-5`
 |Aura, Lumo
 
-|User color 6
 |`--vaadin-user-color-6`
 |Aura, Lumo
 
-|User color 7
 |`--vaadin-user-color-7`
 |Aura
 
-|User color 8
 |`--vaadin-user-color-8`
 |Aura
 
-|User color 9
 |`--vaadin-user-color-9`
 |Aura