g3-dpi: simplify code #2112

Job	Run time
Build vendored (vendored-openssl, g3proxy)	4m 13s
Build	3m 34s
Build vendored (vendored-openssl, g3bench)	1m 42s
Build vendored (vendored-openssl, g3tiles)	2m 3s
Build vendored (vendored-openssl, g3fcgen)	1m 46s
Build vendored (vendored-openssl, g3mkcert)	1m 58s
Build vendored (vendored-openssl, g3keymess)	2m 16s
Build vendored (vendored-tongsuo, g3proxy)	3m 19s
Build vendored (vendored-tongsuo, g3bench)	1m 31s
Build vendored (vendored-tongsuo, g3tiles)	1m 44s
Build vendored (vendored-tongsuo, g3fcgen)	1m 37s
Build vendored (vendored-tongsuo, g3mkcert)	1m 28s
Build vendored (vendored-tongsuo, g3keymess)	1m 43s
Build vendored (vendored-aws-lc, g3proxy)	3m 34s
Build vendored (vendored-aws-lc, g3bench)	2m 27s
Build vendored (vendored-aws-lc, g3tiles)	2m 45s
Build vendored (vendored-aws-lc, g3fcgen)	2m 21s
Build vendored (vendored-aws-lc, g3mkcert)	2m 11s
Build vendored (vendored-aws-lc, g3keymess)	2m 31s
Build vendored (vendored-boringssl, g3proxy)	3m 26s
Build vendored (vendored-boringssl, g3bench)	2m 17s
Build vendored (vendored-boringssl, g3tiles)	2m 26s
Build vendored (vendored-boringssl, g3fcgen)	2m 20s
Build vendored (vendored-boringssl, g3mkcert)	2m 2s
Build vendored (vendored-boringssl, g3keymess)	2m 37s
Build vendored (vendored-c-ares, g3proxy)	3m 7s
	1h 2m 58s

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