Revert "Add support for OEM fast charger detection"

This reverts commit 69cc5afe54afd94c5fac2d84d1c24be158212494.

overlay/Frameworks/res/values/config.xml

@@ -447,9 +447,4 @@
          black in software (to avoid aliasing or emulate a cutout that is not physically existent).
          -->
     <bool name="config_fillMainBuiltInDisplayCutout">true</bool>
-
-    <!-- Path to fast charging status file to detect whether an oem fast charger is active -->
-    <string name="config_oemFastChargerStatusPath" translatable="false">/sys/class/qcom-battery/fastchg_mode</string>
-    <!-- Expected value from fast charging status file  -->
-    <string name="config_oemFastChargerStatusValue" translatable="false">1</string>
 </resources>