Revert "cm: enable lockscreen rotation option"

This reverts commit b538b7c.

Reason: Landscape lockscreen doesn't look that great with
        pattern/pin in phones, its better suited for tablets
        or large screen devices, its enabled by default for those.

Change-Id: Id461f73f7976e8a9c7242f0b406e700f6c06ecf4

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

@@ -55,9 +55,6 @@
         <item>com.mediatek.ims</item>
     </string-array>
 
-    <!-- Enable lockscreen rotation by default -->
-    <bool name="config_enableLockScreenRotation">true</bool>
-
     <!-- Set this to true to enable the platform's auto-power-save modes like doze and
          app standby.  These are not enabled by default because they require a standard
          cloud-to-device messaging service for apps to interact correctly with the modes