linuxkms: ignore warning when no renderer are active #15537

Job	Run time
build_and_test (ubuntu-22.04, stable)	14m 8s
android	2m 13s
cpp_cmake (ubuntu-22.04)	7m 2s
build_and_test (ubuntu-22.04, 1.73)	14m 34s
cpp_test_driver (ubuntu-22.04)	6m 24s
cpp_cmake (macos-12)	13m 46s
build_and_test (macos-12, stable)	18m 16s
cpp_test_driver (macos-12)	5m 4s
cpp_cmake (windows-2022)	7m 58s
build_and_test (windows-2022, stable)	20m 55s
cpp_test_driver (windows-2022)	7m 43s
esp-idf-quick	8m 37s
build_and_test (windows-2022, 1.73)	21m 12s
ffi_32bit_build	1m 4s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	21m 57s
fmt_test	1m 40s
mcu (pico-st7789, thumbv6m-none-eabi)	34s
mcu (stm32h735g, thumbv7em-none-eabihf)	41s
mcu_esp	2m 31s
miri	49s
node_test (ubuntu-22.04)	2m 44s
python_test (ubuntu-22.04)	1m 41s
node_test (macos-12)	3m 59s
uefi-demo	40s
python_test (macos-12)	1m 42s
updater_test (0.3.0)	2m 6s
node_test (windows-2022)	4m 7s
python_test (windows-2022)	2m 13s
docs / docs	6m 45s
tree-sitter / tree-sitter-tests	8s
wasm / wasm	4m 7s
wasm_demo / wasm_demo	16m 34s
wasm / build-slintpad	47s
wasm / lint-slintpad	20s
cpp_package_test	2m 27s
	3h 47m 28s

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