healthd: Don't print a warning for unknown power supply types

The current implementation prints a warning if power supply type
is not one from the list in supplyTypeMap. The printing of warning
is unnecessary as there could be other types not mentioned in the
supplyTypeMap.

Remove the warning.

CRs-Fixed: 775241
Change-Id: Icc6d91388aab725400fe0adbb318828f44ef2d24
1 file changed