Remove deprecated inert_defer rule entirely

[SimplyDanny]

The rule has been deprecated for 2 years.

[SwiftLintBot]

	19 Messages
📖	Linting Aerial with this PR took 0.92s vs 0.95s on main (3% faster)
📖	Linting Alamofire with this PR took 1.27s vs 1.41s on main (9% faster)
📖	Linting Brave with this PR took 7.18s vs 7.22s on main (0% faster)
📖	Linting DuckDuckGo with this PR took 5.29s vs 5.33s on main (0% faster)
📖	Linting Firefox with this PR took 10.81s vs 10.81s on main (0% slower)
📖	Linting Kickstarter with this PR took 10.1s vs 10.16s on main (0% faster)
📖	Linting Moya with this PR took 0.53s vs 0.53s on main (0% slower)
📖	Linting NetNewsWire with this PR took 2.9s vs 2.91s on main (0% faster)
📖	Linting Nimble with this PR took 0.77s vs 0.78s on main (1% faster)
📖	Linting PocketCasts with this PR took 8.69s vs 8.6s on main (1% slower)
📖	Linting Quick with this PR took 0.47s vs 0.44s on main (6% slower)
📖	Linting Realm with this PR took 4.51s vs 4.48s on main (0% slower)
📖	Linting Sourcery with this PR took 2.31s vs 2.31s on main (0% slower)
📖	Linting Swift with this PR took 4.52s vs 4.51s on main (0% slower)
📖	Linting VLC with this PR took 1.25s vs 1.25s on main (0% slower)
📖	Linting Wire with this PR took 18.06s vs 17.99s on main (0% slower)
📖	Linting WordPress with this PR took 11.39s vs 11.4s on main (0% faster)
📖	This PR fixed a violation in Sourcery: /SourceryRuntime/Sources/Common/FileParserResult.swift:52:9: warning: Inert Defer Violation: If defer is at the end of its parent scope, it will be executed right where it is anyway (inert_defer)
📖	This PR fixed a violation in WordPress: /WordPress/Classes/ViewRelated/Blog/Site Management/TableViewHeaderDetailView.swift:74:9: warning: Inert Defer Violation: If defer is at the end of its parent scope, it will be executed right where it is anyway (inert_defer)

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