makeFile: Remove vendored go

[RamLavi]

What this PR does / why we need it: Since we have the go.mod "go" directive it is safe enough to ensure that the golang compiler used has the needed capabilities. This change remove the infra to use a vendored golang tool chain.

Special notes for your reviewer:

Release note:

NONE

[RamLavi]

/hold seems like the lane image doesn't have go.

[qinqon]

/lgtm /approve we need to install go from automation or prow-jobs

Also add a requirement on the project README

[kubevirt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qinqon

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[kubevirt-bot]

New changes are detected. LGTM label has been removed.

[kubevirt-bot]

@RamLavi: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kubemacpool-unit-test	35125e4fe134838f6d2432d9b2020d94f22b3743	link	true	/test pull-kubemacpool-unit-test
pull-kubemacpool-e2e-k8s	35125e4fe134838f6d2432d9b2020d94f22b3743	link	true	/test pull-kubemacpool-e2e-k8s

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[RamLavi]

closing this for now. Will revisit later