Remove spring.reactor.debug from devtools property defaults

Closes gh-33858

Author: mhalbritter

spring-boot-project/spring-boot-devtools/src/main/resources/org/springframework/boot/devtools/env/devtools-property-defaults.properties

@@ -9,8 +9,7 @@ spring.groovy.template.cache=false
 spring.h2.console.enabled=true
 spring.mustache.servlet.cache=false
 spring.mvc.log-resolved-exception=true
-spring.reactor.debug=true
 spring.template.provider.cache=false
 spring.thymeleaf.cache=false
 spring.web.resources.cache.period=0
-spring.web.resources.chain.cache=false
+spring.web.resources.chain.cache=false