Migrate to Asciidoctor Tabs

spring-shell-docs/modules/ROOT/pages/using-shell-options-validation.adoc

@@ -7,7 +7,6 @@ automatic and self-documenting constraints on command parameters.
 Annotations found on command parameters and annotations at the method level are
 honored and trigger validation prior to the command executing. Consider the following command:
 
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 [source, java]
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 	@ShellMethod("Change password.")
@@ -15,14 +14,11 @@ honored and trigger validation prior to the command executing. Consider the foll
 		return "Password successfully set to " + password;
 	}
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 From the preceding example, you get the following behavior for free:
 
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 shell:>change-password hello
 The following constraints were not met:
 	--password string : size must be between 8 and 40 (You passed 'hello')
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