remove redundant tool versions files. #112

Job	Run time
deploy-nhs-notify-feature	5s
build-and-push-image (base, NHS Notifiy Devcontainer Base Image, Base development container for N...	3m 40s
build-and-push-image (loaded, NHS Notifiy Devcontainer Loaded Image, Loaded development container...	2m 23s
build-and-push-image (default, NHS Notifiy Devcontainer Default Image, Default development contai...	9m 56s
	16m 4s

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