Revert "Create xtables.lock as a file if it doesn't already exist" #5194

Job	Run time
No "Apply suggestions from code review" Commits	4s
Bundle validation	56s
CRDs up-to-date	1m 28s
Go	5m 23s
Commit Message(s)	13s
Dependency Licenses	3m 20s
Markdown Links (modified files)	19s
Markdown	9s
Package Documentation	36s
Shell	8s
Variant Analysis	3m 21s
Vulnerability Scanning	24s
YAML	11s
Embedded YAMLs up-to-date	1m 42s
	18m 14s

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