configure: Remove obsolete rust support line-v3

[Nancyenos]

Ticket: #6705

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Link to ticket: https://redmine.openinfosecfoundation.org/issues/6705

Describe changes:
-remove obsolete rust support line
-Remove the definion enable_rust="yes"
-previous pr #12040

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.42%. Comparing base (89aa525) to head (31fcf0e).
Report is 70 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #12043   +/-   ##
=======================================
  Coverage   83.42%   83.42%           
=======================================
  Files         910      910           
  Lines      257642   257642           
=======================================
+ Hits       214934   214946   +12     
+ Misses      42708    42696   -12     

Flag	Coverage Δ
fuzzcorpus	61.64% <ø> (+0.07%)	⬆️
livemode	19.41% <ø> (-0.01%)	⬇️
pcap	44.40% <ø> (-0.10%)	⬇️
suricata-verify	62.76% <ø> (-0.01%)	⬇️
unittests	59.37% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[catenacyber]

Thanks for the work

CI : ✅
Code : good
Commits segmentation : ok
Commit messages : good
Git ID set : looks fine for me
CLA : you already contributed
Doc update : not needed
Redmine ticket : ok
Rustfmt : no rust
Tests : manually tested ok
Dependencies added: none

[victorjulien]

Merged in #12178, thanks!