libobs: Remove unimplemented exports

Closes jp9000/obs-studio#840

libobs/obs-audio-controls.h

@@ -200,14 +200,6 @@ EXPORT bool obs_volmeter_attach_source(obs_volmeter_t *volmeter,
  */
 EXPORT void obs_volmeter_detach_source(obs_volmeter_t *volmeter);
 
-/**
- * @brief Get signal handler for the volume meter object
- * @param volmeter pointer to the volume meter object
- * @return signal handler
- */
-EXPORT signal_handler_t *obs_volmeter_get_signal_handler(
-		obs_volmeter_t *volmeter);
-
 /**
  * @brief Set the update interval for the volume meter
  * @param volmeter pointer to the volume meter object

libobs/obs.h

@@ -1390,12 +1390,6 @@ EXPORT signal_handler_t *obs_output_get_signal_handler(
 /** Returns the procedure handler for an output */
 EXPORT proc_handler_t *obs_output_get_proc_handler(const obs_output_t *output);
 
-/**
- * Sets the current video media context associated with this output,
- * required for non-encoded outputs
- */
-EXPORT void obs_output_set_video(obs_output_t *output, video_t *video);
-
 /**
  * Sets the current audio/video media contexts associated with this output,
  * required for non-encoded outputs.  Can be null.