Revert "conf: apply ClickPad softbuttons option through fdi file too"

Bad fdi file, type="string" is missing and it wouldn't merge properly.

This reverts commit a35b2d62.

conf/11-x11-synaptics.fdi

@@ -30,10 +30,6 @@
 
 	For other possible options, check CONFIGURATION DETAILS in synaptics man page
         -->
-        <merge key="input.x11_options.SoftButtonAreas">50% 0 82% 0 0 0 0 0</merge>
-        <match key="info.product" contains="Apple|bcm5974">
-            <merge key="input.x11_options.SoftButtonAreas">0 0 0 0 0 0 0 0</merge>
-        </match>
     </match>
   </device>
 </deviceinfo>