Demote debug message to debug level

This confuses too many users.

src/input/es_out.c

@@ -2371,7 +2371,7 @@ static int EsOutControlLocked( es_out_t *out, int i_query, va_list args )
         }
 
         case ES_OUT_RESET_PCR:
-            msg_Err( p_sys->p_input, "ES_OUT_RESET_PCR called" );
+            msg_Dbg( p_sys->p_input, "ES_OUT_RESET_PCR called" );
             EsOutChangePosition( out );
             return VLC_SUCCESS;