Remove useless overrides of ConditionalOnProperty#matchIfMissing

Closes gh-26432

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/aop/AopAutoConfiguration.java

@@ -52,8 +52,7 @@ public class AopAutoConfiguration {
 
 		@Configuration(proxyBeanMethods = false)
 		@EnableAspectJAutoProxy(proxyTargetClass = false)
-		@ConditionalOnProperty(prefix = "spring.aop", name = "proxy-target-class", havingValue = "false",
-				matchIfMissing = false)
+		@ConditionalOnProperty(prefix = "spring.aop", name = "proxy-target-class", havingValue = "false")
 		static class JdkDynamicAutoProxyConfiguration {
 
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration.java

@@ -405,7 +405,7 @@ public class FlywayAutoConfiguration {
 
 		}
 
-		@ConditionalOnProperty(prefix = "spring.flyway", name = "url", matchIfMissing = false)
+		@ConditionalOnProperty(prefix = "spring.flyway", name = "url")
 		private static final class FlywayUrlCondition {
 
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/h2/H2ConsoleAutoConfiguration.java

 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,7 +49,7 @@ import org.springframework.context.annotation.Configuration;
 @Configuration(proxyBeanMethods = false)
 @ConditionalOnWebApplication(type = Type.SERVLET)
 @ConditionalOnClass(WebServlet.class)
-@ConditionalOnProperty(prefix = "spring.h2.console", name = "enabled", havingValue = "true", matchIfMissing = false)
+@ConditionalOnProperty(prefix = "spring.h2.console", name = "enabled", havingValue = "true")
 @AutoConfigureAfter(DataSourceAutoConfiguration.class)
 @EnableConfigurationProperties(H2ConsoleProperties.class)
 public class H2ConsoleAutoConfiguration {

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java

@@ -158,7 +158,7 @@ public class LiquibaseAutoConfiguration {
 
 		}
 
-		@ConditionalOnProperty(prefix = "spring.liquibase", name = "url", matchIfMissing = false)
+		@ConditionalOnProperty(prefix = "spring.liquibase", name = "url")
 		private static final class LiquibaseUrlCondition {
 
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionAutoConfiguration.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -88,8 +88,7 @@ public class TransactionAutoConfiguration {
 
 		@Configuration(proxyBeanMethods = false)
 		@EnableTransactionManagement(proxyTargetClass = false)
-		@ConditionalOnProperty(prefix = "spring.aop", name = "proxy-target-class", havingValue = "false",
-				matchIfMissing = false)
+		@ConditionalOnProperty(prefix = "spring.aop", name = "proxy-target-class", havingValue = "false")
 		public static class JdkDynamicAutoProxyConfiguration {
 
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java

@@ -102,7 +102,7 @@ public class WebFluxAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean(HiddenHttpMethodFilter.class)
-	@ConditionalOnProperty(prefix = "spring.webflux.hiddenmethod.filter", name = "enabled", matchIfMissing = false)
+	@ConditionalOnProperty(prefix = "spring.webflux.hiddenmethod.filter", name = "enabled")
 	public OrderedHiddenHttpMethodFilter hiddenHttpMethodFilter() {
 		return new OrderedHiddenHttpMethodFilter();
 	}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java

@@ -162,7 +162,7 @@ public class WebMvcAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean(HiddenHttpMethodFilter.class)
-	@ConditionalOnProperty(prefix = "spring.mvc.hiddenmethod.filter", name = "enabled", matchIfMissing = false)
+	@ConditionalOnProperty(prefix = "spring.mvc.hiddenmethod.filter", name = "enabled")
 	public OrderedHiddenHttpMethodFilter hiddenHttpMethodFilter() {
 		return new OrderedHiddenHttpMethodFilter();
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnPropertyTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -299,7 +299,7 @@ class ConditionalOnPropertyTests {
 
 	@Configuration(proxyBeanMethods = false)
 	// i.e ${simple.myProperty:false}
-	@ConditionalOnProperty(prefix = "simple", name = "my-property", havingValue = "true", matchIfMissing = false)
+	@ConditionalOnProperty(prefix = "simple", name = "my-property", havingValue = "true")
 	static class DisabledIfNotConfiguredOtherwiseConfig {
 
 		@Bean
@@ -399,7 +399,7 @@ class ConditionalOnPropertyTests {
 
 	@Configuration(proxyBeanMethods = false)
 	@ConditionalOnMyFeature
-	@ConditionalOnProperty(prefix = "my.other.feature", name = "enabled", havingValue = "true", matchIfMissing = false)
+	@ConditionalOnProperty(prefix = "my.other.feature", name = "enabled", havingValue = "true")
 	static class MetaAnnotationAndDirectAnnotation {
 
 		@Bean
@@ -411,7 +411,7 @@ class ConditionalOnPropertyTests {
 
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target({ ElementType.TYPE, ElementType.METHOD })
-	@ConditionalOnProperty(prefix = "my.feature", name = "enabled", havingValue = "true", matchIfMissing = false)
+	@ConditionalOnProperty(prefix = "my.feature", name = "enabled", havingValue = "true")
 	@interface ConditionalOnMyFeature {
 
 	}