Cleanup: remove useless statement.

Layouts are active by default when created, no need to set this
explicitely. Leftover from proxy removal.

release/scripts/startup/bl_ui/properties_data_armature.py

@@ -149,7 +149,6 @@ class DATA_PT_bone_groups(ArmatureButtonsPanel, Panel):
             col.operator("pose.group_move", icon='TRIA_DOWN', text="").direction = 'DOWN'
 
             split = layout.split()
-            split.active = True
 
             col = split.column()
             col.prop(group, "color_set")