Eliminate info.commandSize, which is no longer necessary. This also u… #1467

Job	Run time
test (gcc)	4m 19s
build (gcc)	2m 6s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 41s
build (gcc, --disable-xft)	2m 26s
test (gcc, --disable-xft)	4m 7s
build (gcc, --disable-xss)	1m 40s
test (gcc, --enable-symbols)	3m 30s
build (gcc, --enable-symbols)	1m 30s
build (clang)	1m 49s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 49s
build (clang, --disable-xft)	1m 55s
build (clang, --disable-xss)	1m 51s
build (clang, --enable-symbols)	1m 39s
	30m 22s

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