Fix - docs: Remove note about using -init scrollX with anything oth…

…er than a boolean

https://datatables.net/forums/discussion/60767/headers-not-aligned-in-datatable#latest

Only a boolean value is now supported. To constrain the table horizontally, apply the constraint to the container element.

docs/option/scrollX.xml

@@ -14,8 +14,6 @@
 
 	<description>
 		Enable horizontal scrolling. When a table is too wide to fit into a certain layout, or you have a large number of columns in the table, you can enable horizontal (x) scrolling to show the table in a viewport, which can be scrolled.
-
-		This property can be `true` which will allow the table to scroll horizontally when needed (recommended), or any CSS unit, or a number (in which case it will be treated as a pixel measurement).
 	</description>
 
 	<example title="Enable horizontal scrolling"><![CDATA[
@@ -26,4 +24,4 @@ $('#example').dataTable( {
 
 	<related type="option">scrollY</related>
 	<related type="option">scrollCollapse</related>
-</dt-option>
+</dt-option>