Hack: enable full dead code elimination in binaries

[pgimalac]

What does this PR do?

Try enabling full dead code elimination to see impact on the size of binaries.

Motivation

Binary size reduction, estimated around 25%, as well as RSS reduction (unclear).

Describe how you validated your changes

N/A

Possible Drawbacks / Trade-offs

Additional Notes

This is a hack, I just commented out code to make it work, so no need to code-review this, and do not merge !

I believe the system-probe agent needs other changes to enable to optimization properly, but I didn't check yet.

[agent-platform-auto-pr]

Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

inv aws.create-vm --pipeline-id=52907511 --os-family=ubuntu

Note: This applies to commit 9068e80

[agent-platform-auto-pr]

Uncompressed package size comparison

Comparison with ancestor cd84726951a89e51d46423e0bb5ca17e0fe4b0d9

Diff per package

package	diff	status	size	ancestor	threshold
datadog-heroku-agent-amd64-deb	-0.02MB	✅	532.54MB	532.56MB	0.50MB
datadog-dogstatsd-arm64-deb	-11.81MB	✅	44.52MB	56.33MB	0.50MB
datadog-dogstatsd-x86_64-rpm	-12.27MB	✅	46.63MB	58.90MB	0.50MB
datadog-dogstatsd-x86_64-suse	-12.27MB	✅	46.63MB	58.90MB	0.50MB
datadog-dogstatsd-amd64-deb	-12.27MB	✅	46.55MB	58.83MB	0.50MB
datadog-iot-agent-aarch64-rpm	-15.55MB	✅	74.43MB	89.98MB	0.50MB
datadog-iot-agent-arm64-deb	-15.55MB	✅	74.36MB	89.91MB	0.50MB
datadog-iot-agent-amd64-deb	-16.43MB	✅	77.42MB	93.86MB	0.50MB
datadog-iot-agent-x86_64-rpm	-16.43MB	✅	77.49MB	93.93MB	0.50MB
datadog-iot-agent-x86_64-suse	-16.43MB	✅	77.49MB	93.92MB	0.50MB
datadog-agent-arm64-deb	-93.72MB	✅	895.05MB	988.77MB	0.50MB
datadog-agent-aarch64-rpm	-93.72MB	✅	904.70MB	998.42MB	0.50MB
datadog-agent-amd64-deb	-96.69MB	✅	908.12MB	1004.81MB	0.50MB
datadog-agent-x86_64-rpm	-96.69MB	✅	917.79MB	1014.48MB	0.50MB
datadog-agent-x86_64-suse	-96.69MB	✅	917.79MB	1014.48MB	0.50MB

Decision

✅ Passed