SpringBoot Remove deprecated support for FailureAnalyzer setter injection

Remove deprecated support for FailureAnalyzer setter injection * Remove setter injection at FailureAnalyzers * Remove setter injection at FailureAnalyzersTests * remove unused FailureAnalyzer at spring.factories * fix application.adoc

Closes #38238

Comment From: wilkinsona

Thanks very much for making your first contribution to Spring Boot, @Wzy19930507.