manta: health: remove fake battery current property for power boards

Change-Id: Ia27d03fc909e46309c46d94253b52d93613edf03
diff --git a/health/healthd-manta.cpp b/health/healthd-manta.cpp
index 94a42ee..3107da0 100644
--- a/health/healthd-manta.cpp
+++ b/health/healthd-manta.cpp
@@ -211,7 +211,6 @@
          props->batteryTemperature = 42;  /* 4.2C */
          props->batteryVoltage = 4242; /* 4242mV */
          props->batteryLevel = 42;        /* 42% */
-         props->batteryCurrentNow = 42000;/* 42mA */
     }
 
     if (props->batteryStatus == BATTERY_STATUS_FULL &&