[doc] Removed misleading information about connect callback (#1882)
[doc] Removed misleading information about connect callback (#1882)

in successful connection case
Haivision/srt,ethouris/srt,Cinegy/srt,Haivision/srt,ethouris/srt,Haivision/srt,ethouris/srt,ethouris/srt,Cinegy/srt,Haivision/srt,Cinegy/srt,Cinegy/srt