Revert "hal: enable form factor based configuration"

Build fix.

This reverts commit 62dd1dcd291e52fb47255ca2b912ada6f6dfa73a.

Change-Id: I629314021b51d6baa0145b32241ff0be97713bd4
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 9bd55b1..1e41358 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -20,8 +20,6 @@
 void *platform_init(struct audio_device *adev);
 void platform_deinit(void *platform);
 const char *platform_get_snd_device_name(snd_device_t snd_device);
-int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device,
-                                      char *device_name);
 void platform_add_backend_name(void *platform, char *mixer_path,
                                                     snd_device_t snd_device);
 bool platform_send_gain_dep_cal(void *platform, int level);
@@ -71,7 +69,7 @@
                                     const char * hw_interface);
 
 /* From platform_info.c */
-int platform_info_init(const char *filename, void *);
+int platform_info_init(void *);
 
 int platform_get_usecase_index(const char * usecase);
 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id);