chore: remove ebpf from init containers

[bartsmykla]

As there were some security considerations, we decided to
temporarily remove option to install transparent proxy using ebpf
in init containers

Checklist prior to review

• Link to docs PR or issue -- this PR removes unreleased feature
• Link to UI issue or PR -- this PR removes unreleased feature
• Is the issue worked on linked? -- none
• The PR does not hardcode values that might break projects that depend on kuma (e.g. "kumahq" as a image registry) -- this PR removes unreleased feature
• The PR will work for both Linux and Windows, system specific functions like syscall.Mkfifo have equivalent implementation on the other OS -- this PR removes unreleased feature
• Unit Tests -- this PR removes unreleased feature
• E2E Tests -- this PR removes unreleased feature
• Manual Universal Tests --
• Manual Kubernetes Tests --
• Do you need to update UPGRADE.md? -- this PR removes unreleased feature
• Does it need to be backported according to the backporting policy? -- no

[codecov-commenter]

Codecov Report

Merging #4819 (4a589e9) into master (66ba873) will increase coverage by 0.00%.
The diff coverage is 85.71%.

@@           Coverage Diff            @@
##           master    #4819    +/-   ##
========================================
  Coverage   46.44%   46.45%            
========================================
  Files         690      690            
  Lines       47164    47057   -107     
========================================
- Hits        21903    21858    -45     
+ Misses      23330    23274    -56     
+ Partials     1931     1925     -6     

Impacted Files	Coverage Δ
...p/kumactl/cmd/install/install_transparent_proxy.go	82.66% <0.00%> (+2.78%)	⬆️
pkg/config/plugins/runtime/k8s/config.go	86.04% <ø> (-0.48%)	⬇️
pkg/plugins/runtime/k8s/metadata/annotations.go	72.09% <ø> (+3.20%)	⬆️
pkg/transparentproxy/kubernetes/kubernetes.go	80.82% <ø> (-1.66%)	⬇️
.../plugins/runtime/k8s/webhooks/injector/injector.go	71.86% <100.00%> (+10.64%)	⬆️
pkg/xds/cache/once/cache.go	87.17% <0.00%> (-7.70%)	⬇️
pkg/core/resources/manager/cache.go	85.71% <0.00%> (-2.60%)	⬇️
pkg/xds/generator/direct_access_proxy_generator.go	90.90% <0.00%> (+1.13%)	⬆️
pkg/gc/finalizer.go	78.26% <0.00%> (+4.34%)	⬆️

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[slonka]

If this was a separate command we could probably do cmd.hidden = true - maybe something to remember in the future (if it can be done even)

[slonka]

LGTM, just 1 question.