quic: move quic behind compile time flag #2523

Job	Run time
Build slim tarball	1m 30s
x86_64-linux: with shared libraries	34m 7s
aarch64-linux: with shared libraries	28m 44s
aarch64-darwin: with shared libraries	40m 48s
x86_64-darwin: with shared libraries	53m 1s
	2h 38m 10s

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