GH-125521: Remove `if (true)` from generated output to reduce C compiler warnings #129949

Job	Run time
Change detection / Compute changed files	10s
Check if generated files are up to date	3m 27s
Check if Autoconf files are up to date	22s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 7s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 24s
Windows MSI${{ '' }}	0s
Docs	0s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 20s
Hypothesis tests on Ubuntu	5m 26s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 3s
Address sanitizer	7m 34s
CIFuzz (address)	20m 22s
CIFuzz (undefined)	22m 37s
CIFuzz (memory)	20m 50s
Thread sanitizer / Thread sanitizer	4m 33s
Thread sanitizer (free-threading) / Thread sanitizer	7m 21s
WASI / build and test	5m 58s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	5m 37s
macOS / build and test (macos-13)	8m 39s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	6m 25s
Ubuntu / build and test (ubuntu-22.04)	7m 36s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	9m 19s
Windows / build (arm64)	3m 17s
Windows (free-threading) / build (arm64)	3m 9s
Windows / build and test (Win32)	15m 46s
Windows (free-threading) / build and test (Win32)	24m 48s
Windows / build and test (x64)	16m 49s
Windows (free-threading) / build and test (x64)	23m 58s
All required checks pass	1s
	3h 52m 58s

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