Remove unsupported GDAM publish input

[nicodes]

Correction — Team No Review evidence (layer 1/2)

Tracks aviorstudio/fieldsofrevik#156 without cross-repository auto-close.

• Source/head: 2c2a75d3bbe74539cbb27a51b47ddb8522b28a80, base merged main d10028582503e24ed17b5641e591ac94623a2e69.
• Demonstrated failing control: successful v0.0.2 release https://github.com/aviorstudio/gd-telemetry/actions/runs/34720008416 emitted Unexpected input(s) version; pinned publish action declares only tag/addon/asset/secret-key.
• Change: remove only the ignored unsupported input. No behavior/package-byte change.
• Local exact-layer verification: negative runner/package controls failed as intended, restored Godot 4.7.2 suite reached 1/1 assertion, clean ZIP editor enable/restart/smoke/disable/restart passed. ZIP remained v0.0.2 SHA-256 c503b76dbf273d8e87eed8abcbbacc1658ce132e6cd45ee6ed1c441548a6c9f5; installed tree 5a94aebb9363e9a871efd0feed31b6c126c322b938bb9f2a300b88d5fcfea85e.
• Browser: N/A, no UI/web-specific path.
• Exact-head CI: pending. Release warning restoration is verified independently by layer 2 post-merge release.

[nicodes]

Exact-head CI PASS for 2c2a75d3bbe74539cbb27a51b47ddb8522b28a80: https://github.com/aviorstudio/gd-telemetry/actions/runs/34720289908 (successful rerun, job 103624920731). Criterion evidence is current.