[kernel|gen-tcp-api|test] Adjust fdconnect test case
[kernel|gen-tcp-api|test] Adjust fdconnect test case

The test case unnecessarily specified port number when connecting
which caused eaddrinuse.

OTP-17156

mikpe/otp,ferd/otp,emacsmirror/erlang,getong/otp,rlipscombe/otp,rlipscombe/otp,erlang/otp,vinoski/otp,g-andrade/otp,potatosalad/otp,vinoski/otp,erlang/otp,uabboli/otp,getong/otp,getong/otp,uabboli/otp,ferd/otp,potatosalad/otp,ferd/otp,vinoski/otp,bjorng/otp,dgud/otp,g-andrade/otp,bjorng/otp,uabboli/otp,dumbbell/otp,isvilen/otp,ferd/otp,dgud/otp,g-andrade/otp,rlipscombe/otp,mikpe/otp,vinoski/otp,dumbbell/otp,dumbbell/otp,emacsmirror/erlang,potatosalad/otp,uabboli/otp,dgud/otp,bjorng/otp,rlipscombe/otp,dumbbell/otp,isvilen/otp,bjorng/otp,bjorng/otp,isvilen/otp,rlipscombe/otp,jj1bdx/otp,getong/otp,bjorng/otp,rlipscombe/otp,dgud/otp,mikpe/otp,dumbbell/otp,potatosalad/otp,dgud/otp,erlang/otp,vinoski/otp,g-andrade/otp,mikpe/otp,uabboli/otp,g-andrade/otp,jj1bdx/otp,dgud/otp,erlang/otp,jj1bdx/otp,jj1bdx/otp,g-andrade/otp,jj1bdx/otp,potatosalad/otp,emacsmirror/erlang,ferd/otp,erlang/otp,ferd/otp,vinoski/otp,getong/otp,dumbbell/otp,vinoski/otp,bjorng/otp,erlang/otp,mikpe/otp,potatosalad/otp,g-andrade/otp,dumbbell/otp,mikpe/otp,getong/otp,jj1bdx/otp,getong/otp,getong/otp,jj1bdx/otp,dumbbell/otp,dgud/otp,erlang/otp,dgud/otp,g-andrade/otp,isvilen/otp,g-andrade/otp,dgud/otp,jj1bdx/otp,isvilen/otp,emacsmirror/erlang,uabboli/otp,potatosalad/otp,isvilen/otp,isvilen/otp,g-andrade/otp,rlipscombe/otp,vinoski/otp,bjorng/otp,ferd/otp,potatosalad/otp,jj1bdx/otp,isvilen/otp,dumbbell/otp,emacsmirror/erlang,rlipscombe/otp,ferd/otp,emacsmirror/erlang,uabboli/otp,uabboli/otp,rlipscombe/otp,rlipscombe/otp,ferd/otp,bjorng/otp,mikpe/otp,emacsmirror/erlang,erlang/otp,getong/otp,vinoski/otp,uabboli/otp,bjorng/otp,dgud/otp,mikpe/otp,mikpe/otp,potatosalad/otp,dumbbell/otp,isvilen/otp,emacsmirror/erlang,mikpe/otp,erlang/otp,emacsmirror/erlang,jj1bdx/otp,isvilen/otp,erlang/otp,emacsmirror/erlang,potatosalad/otp,vinoski/otp,getong/otp