minor cleanup #933

Job	Run time
Unit Tests	10s
Package builder app	8s
Clean up previous branch jobs	7s
cross_compile (linux-armv6)	10m 30s
compilers (clang-9)	1m 24s
cross_compile (linux-armv7)	10m 32s
compilers (clang-10)	38s
aws-c-cal (manylinux1-x86)	13m 28s
cross_compile (linux-armv8)	9m 58s
compilers (clang-11)	40s
downstream (aws-c-mqtt)	10m 53s
aws-c-cal (manylinux1-x64)	2m 11s
compilers (gcc-7)	38s
aws-c-cal (manylinux2014-x86)	2m 33s
compilers (gcc-8)	36s
release_notes (aws-crt-python)	1m 5s
aws-c-cal (manylinux2014-x64)	2m 46s
compilers (gcc-9)	35s
release_notes (aws-iot-device-sdk-python-v2)	6s
downstream (aws-c-http)	2m 57s
aws-c-cal (manylinux2014-aarch64)	35m 43s
compilers (gcc-10)	33s
downstream (aws-crt-python)	4m 40s
aws-c-cal (musllinux-1-1-aarch64)	26m 3s
compilers (gcc-11)	44s
downstream (aws-crt-cpp)	5m 17s
aws-c-cal (musllinux-1-1-x64)	2m 49s
downstream (aws-crt-java)	8m 5s
Sanity Test (ubuntu-22.04)	2m 15s
downstream (aws-crt-nodejs)	5m 50s
Sanity Test (macos-11)	1s
swift (swift-5-ubuntu-x64)	40s
Sanity Test (macos-12)	3m 7s
swift (swift-5-centos-x64)	39s
Sanity Test (windows-2022)	5m 2s
swift (swift-5-al2-x64)	50s
std-compat	0s
All Sanity Tests passed	0s
	2h 54m 13s

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