staging: bcm: Remove Developer Debug prints in InterfaceIdleMode.c

Removed the developer debug prints BCM_DEBUG_PRINT()
as per the TODO list, also removed braces for the
if-statement to match coding style

Signed-off-by: Gokulnath Avanashilingam <Gokulnath.Avanashilingam@in.bosch.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>