Remove spring-boot-samples references from docs #18904
Description
See https://github.com/spring-projects/spring-boot/search?q=spring-boot-samples&unscoped_q=spring-boot-samples for some of the references that still exist.
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See https://github.com/spring-projects/spring-boot/search?q=spring-boot-samples&unscoped_q=spring-boot-samples for some of the references that still exist.