Remove previous implementation of RadioService.

Bug: b/36863239
Test: instrumentalization
Change-Id: I782693dcda13bd38b45626a65c8eeae552368030

private/service_contexts

@@ -87,7 +87,6 @@ media.metrics                             u:object_r:mediametrics_service:s0
 media.extractor                           u:object_r:mediaextractor_service:s0
 media.codec                               u:object_r:mediacodec_service:s0
 media.resource_manager                    u:object_r:mediaserver_service:s0
-media.radio                               u:object_r:audioserver_service:s0
 media.sound_trigger_hw                    u:object_r:audioserver_service:s0
 media.drm                                 u:object_r:mediadrmserver_service:s0
 media.cas                                 u:object_r:mediacasserver_service:s0