Remove support for helmv2 in loadtester

[aryan9600]

Remove support for Helm 2 from the loadtester. The webhook types "helm" and "helmv3" are now aliases, both invoke Helm 3.

Fix: #1129

Signed-off-by: Sanskar Jaiswal sanskar.jaiswal@weave.works

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.29%. Comparing base (090329d) to head (5acf189).
⚠️ Report is 720 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/loadtester/helmv3.go	0.00%	1 Missing ⚠️
pkg/loadtester/server.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1130      +/-   ##
==========================================
+ Coverage   56.99%   57.29%   +0.29%     
==========================================
  Files          79       78       -1     
  Lines        6376     6343      -33     
==========================================
  Hits         3634     3634              
+ Misses       2199     2166      -33     
  Partials      543      543              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[stefanprodan]

LGTM

Thanks @aryan9600 🏅