proxy: remove some log lines #187

Job	Run time
build (darwin, amd64)	43s
build (darwin, arm64)	38s
build (android, arm64)	46s
build (linux, amd64)	35s
build (linux, arm64)	13s
build (linux, arm, 7)	32s
build (linux, riscv64)	42s
build (linux, mips64)	37s
build (linux, mips64le)	32s
build (linux, mips)	42s
build (linux, mipsle)	35s
build (linux, mips64, softfloat)	40s
build (linux, mips64le, softfloat)	33s
build (linux, mips, softfloat)	45s
build (linux, mipsle, softfloat)	38s
build (windows, amd64)	49s
build (windows, arm64)	42s
build (windows, 386)	43s
	11m 25s

Provide feedback