Revert "hammerhead: enable doze power saving mode"

This reverts commit 63302ae.
It was enabled default.

ref:
* commit afc9ad24ec26e1660d54be6034e7bdcf396382f1 at vendor/cm

Change-Id: Ic992eaacbb7026fc4156ab14a455aed6a470e5cd

overlay/frameworks/base/core/res/res/values/config.xml

@@ -327,7 +327,4 @@
     <bool name="config_dozeAfterScreenOff">true</bool>
     <bool name="config_powerDecoupleInteractiveModeFromDisplay">true</bool>
 
-    <!-- enable doze powersaving mode -->
-    <bool name="config_enableAutoPowerModes">true</bool>
-
 </resources>