Remove all reference to settings_side_margin.

- since the overlay of the value for bigger screen has been removed,
the side margin is now always 0dp. Remove this dimen value and all
reference to it.

Fixes: 124526984
Test: rebuild and visual
Change-Id: I68ff42513a379111042cab9b34594822544e246e
diff --git a/color-check-baseline.xml b/color-check-baseline.xml
index 7b0b28e..e9f8d58 100644
--- a/color-check-baseline.xml
+++ b/color-check-baseline.xml
@@ -2985,7 +2985,7 @@
         errorLine2="          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
         <location
             file="res/layout/user_info_header.xml"
-            line="95"
+            line="93"
             column="11"/>
     </issue>