Revert "Adding getModelState API to sound trigger"

This reverts commit ce0c253ae7be831ff2160094e7316c3e948e74e4.

Reason for revert: fix build breakage

Change-Id: I2a29aff8a33336e3a514ae681d7887cf3fe2d2c2
diff --git a/include/hardware/sound_trigger.h b/include/hardware/sound_trigger.h
index 696b634..d7828ac 100644
--- a/include/hardware/sound_trigger.h
+++ b/include/hardware/sound_trigger.h
@@ -40,8 +40,7 @@
 
 #define SOUND_TRIGGER_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
 #define SOUND_TRIGGER_DEVICE_API_VERSION_1_1 HARDWARE_DEVICE_API_VERSION(1, 1)
-#define SOUND_TRIGGER_DEVICE_API_VERSION_1_2 HARDWARE_DEVICE_API_VERSION(1, 2)
-#define SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT SOUND_TRIGGER_DEVICE_API_VERSION_1_2
+#define SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT SOUND_TRIGGER_DEVICE_API_VERSION_1_1
 
 /**
  * List of known sound trigger HAL modules. This is the base name of the sound_trigger HAL
@@ -115,15 +114,6 @@
      * If no implementation is provided, stop_recognition will be called for each running model.
      */
     int (*stop_all_recognitions)(const struct sound_trigger_hw_device* dev);
-
-    /* Get the current state of a given model.
-     * The state is returned as a recognition event, or null if not implemented or on error.
-     * Caller takes ownership of the returned event memory.
-     * Only supported for device api versions SOUND_TRIGGER_DEVICE_API_VERSION_1_2 or above.
-     */
-    struct sound_trigger_recognition_event* (*get_model_state)(
-        const struct sound_trigger_hw_device *dev,
-        sound_model_handle_t sound_model_handle);
 };
 
 typedef struct sound_trigger_hw_device sound_trigger_hw_device_t;