PlayerTracking Removal: Delete Unit Tests

[markmandel]

What type of PR is this?

Uncomment only one /kind <> line, press enter to put that in a new line, and remove leading whitespace from that line:

/kind breaking
/kind bug

/kind cleanup

/kind documentation
/kind feature
/kind hotfix
/kind release

What this PR does / Why we need it:

Removal of the unit tests for PlayerTracking as part of removing this functionality from Agones.

Which issue(s) this PR fixes:

Work on #4491

Did you use AI tools in preparing this PR?:

N

Special notes for your reviewer:

[markmandel]

Going to hide the copilot review - it doesn't love I'm deleting the unit tests before the functionality - but since the docs for all this functionality are gone, this felt like a safe section of code to clear out in a chunk.

[agones-bot]

Build Succeeded 🥳

Build Id: 08ebfaec-d767-4093-b652-f7073e44bc35

The following development artifacts have been built, and will exist for the next 30 days:

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.61.0-dev-901f0cb
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.61.0-dev-901f0cb
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.61.0-dev-901f0cb-linux
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.61.0-dev-901f0cb
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.61.0-dev-901f0cb
• image: us-docker.pkg.dev/agones-images/ci/agones-processor:1.61.0-dev-901f0cb
• Linux C++ SDK (build): agonessdk-1.61.0-dev-901f0cb-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.61.0-dev-901f0cb.zip

A preview of the website (the last 30 builds are retained):

• https://901f0cb-dot-preview-dot-agones-images.appspot.com/

To install this version:

git fetch https://github.com/googleforgames/agones.git pull/4719/head:pr_4719 && git checkout pr_4719
helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.61.0-dev-901f0cb