Clean up platform_info error log

note: remove unused kctls from audio_platform_info.xml and fix error that platform_get_snd_device_index will be out of range to avoid error messages showed during initialization

Bug: 184822984

Test: reboot to see if the sound card bring up successfully or not(10 times)
Change-Id: Ic80e9fed1e8fe6f0be867bb81be9028f301c0f71