Temporary disable building on MacOS with --disable-aqua: This is not … #413

Job	Run time
test (gcc)	3m 48s
build (gcc)	1m 42s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 41s
test (gcc, --disable-xft)	3m 52s
build (gcc, --disable-xft)	1m 45s
test (gcc, --enable-symbols)	3m 20s
build (gcc, --disable-xss)	1m 41s
build (gcc, --enable-symbols)	1m 15s
build (clang)	1m 57s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 49s
build (clang, --disable-xft)	2m 1s
build (clang, --disable-xss)	2m 2s
build (clang, --enable-symbols)	1m 30s
	28m 23s

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