GCS_MAVLink: eliminate GCS_MAVLINK::send_statustext_all

libraries/GCS_MAVLink/GCS.h

@@ -182,10 +182,9 @@ public:
     static uint8_t streaming_channel_mask(void) { return chan_is_streaming; }
 
     /*
-    send a statustext message to active MAVLink connections, or a specific
+    send a statustext message to specific MAVLINK Connection
-    one. This function is static so it can be called from any library.
+    This function is static so it can be called from any library.
     */
-    static void send_statustext_all(MAV_SEVERITY severity, const char *fmt, ...);
     static void send_statustext_chan(MAV_SEVERITY severity, uint8_t dest_chan, const char *fmt, ...);
 
     // send a PARAM_VALUE message to all active MAVLink connections.

libraries/GCS_MAVLink/GCS_Common.cpp

@@ -1141,20 +1141,6 @@ void GCS_MAVLINK::send_ahrs(AP_AHRS &ahrs)
         ahrs.get_error_yaw());
 }
 
-/*
-  send a statustext message to all active MAVLink connections
- */
-void GCS_MAVLINK::send_statustext_all(MAV_SEVERITY severity, const char *fmt, ...)
-{
-    char text[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN+1] {};
-    va_list arg_list;
-    va_start(arg_list, fmt);
-    hal.util->vsnprintf((char *)text, sizeof(text)-1, fmt, arg_list);
-    va_end(arg_list);
-    text[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN] = 0;
-    gcs().send_statustext(severity, mavlink_active | chan_is_streaming, text);
-}
-
 /*
     send a statustext message to specific MAVLink channel, zero indexed
 */