Format, unused function #1054

Job	Run time
clang-sanitizers (,thread)	10m 23s
clang-sanitizers (,address,undefined)	10m 31s
linux-shared-libs	9m 46s
linux-compat (manylinux1-x64)	9m 36s
linux-compiler-compat (clang-3)	10m 1s
linux-compat (manylinux1-x86)	9m 40s
windows	10m 43s
linux-compiler-compat (clang-6)	10m 31s
linux-compat (manylinux2014-x64)	10m 3s
linux-compiler-compat (clang-8)	11m 6s
linux-compat (manylinux2014-x86)	9m 43s
linux-compiler-compat (clang-9)	10m 39s
linux-compat (al2-x64)	9m 13s
linux-compiler-compat (clang-10)	10m 30s
linux-compat (fedora-34-x64)	9m 29s
linux-compiler-compat (clang-11)	10m 33s
linux-compat (opensuse-leap)	10m 37s
linux-compiler-compat (gcc-4.8)	9m 21s
linux-compiler-compat (gcc-5)	9m 43s
linux-compiler-compat (gcc-6)	9m 59s
linux-compat (rhel8-x64)	10m 13s
linux-compiler-compat (gcc-7)	9m 56s
linux-compiler-compat (gcc-8)	10m 27s
downstream	10m 14s
osx	11m 54s
windows-app-verifier	13m 3s
windows-shared-libs	10m 43s
windows-vc14 (x86)	9m 14s
windows-vc14 (x64)	15m 23s
	5h 3m 14s

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