ref: gl: make GL_Support and GL_MaxTextureUnits functions inlined #2682

Job	Run time
flatpak (su.xash.Engine.Compat.i386)	3m 57s
build (ubuntu-20.04, linux, amd64)	3m 26s
build (ubuntu-20.04, linux, i386)	3m 55s
build (ubuntu-20.04, linux, arm64, true)	3m 52s
build (ubuntu-20.04, linux, armhf, true)	3m 48s
build (ubuntu-20.04, linux, riscv64, true)	3m 41s
build (ubuntu-20.04, linux, ppc64el, true)	3m 48s
build (ubuntu-20.04, android, multiarch)	11m 4s
build (ubuntu-latest, nswitch, arm64)	3m 23s
build (ubuntu-latest, psvita, armv7hf)	8m 12s
build (windows-latest, win32, amd64)	2m 22s
build (windows-2019, win32, i386)	2m 38s
build (macos-14, apple, arm64)	1m 43s
build (macos-13, apple, amd64)	2m 39s
Upload releases	51s
	59m 19s

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