remove duplicate lora adapter scorer entry in docs

[strangiato]

What type of PR is this?

/kind documentation

What this PR does / why we need it:
This PR removes a duplicate entry for the LoRAAffinityScorer in the EPP Config documentation.

First entry:
https://gateway-api-inference-extension.sigs.k8s.io/guides/epp-configuration/config-text/#loraaffinityscorer

Second Entry:
https://gateway-api-inference-extension.sigs.k8s.io/guides/epp-configuration/config-text/#loraaffinityscorer_1

Which issue(s) this PR fixes:

N/A

Does this PR introduce a user-facing change?:

NONE

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[k8s-ci-robot]

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[k8s-ci-robot]

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[nirrozenbaum]

/ok-to-test
/lgtm
/approve

Congrats on your first PR to Inference Gateway 🥳

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nirrozenbaum, strangiato

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