Remove deprecated --compute-hook-url storcon param

[arpad-m]

We have already migrated the storage controller to --control-plane-url, added in #11173. The new param was added to support also safekeeper specific endpoints. See the docs changes in #11195 for further details.

Part of #11163

[github-actions]

8206 tests run: 7768 passed, 0 failed, 438 skipped (full report)

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Flaky tests (4)

Postgres 17

• test_pageserver_gc_compaction_trigger: release-x86-64-without-lfc
• test_pageserver_gc_compaction_preempt: release-arm64-with-lfc, release-arm64-without-lfc

Postgres 15

• test_sliding_working_set_approximation: release-arm64-with-lfc

Code coverage* (full report)

• functions: 33.0% (8958 of 27111 functions)
• lines: 48.9% (77254 of 158106 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
5e392a0 at 2025-04-14T09:55:24.520Z :recycle:}