Polish ref docs

- stop referring to Java Config as new
- stop referring to Struts 2.x as if it were new
- polish AOT documentation
- etc.

framework-docs/src/main/java/org/springframework/docs/core/aot/hints/testing/SampleReflection.java

@@ -38,4 +38,5 @@ public class SampleReflection {
 			logger.error("reflection failed", exc);
 		}
 	}
-}
+
+}

framework-docs/src/main/java/org/springframework/docs/core/aot/hints/testing/SampleReflectionRuntimeHintsTests.java

@@ -29,8 +29,9 @@ import org.springframework.core.SpringVersion;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-// This annotation conditions the execution of tests only if the agent is loaded in the current JVM
-// it also tags tests with the "RuntimeHints" JUnit tag
+// @EnabledIfRuntimeHintsAgent signals that the annotated test class or test
+// method is only enabled if the RuntimeHintsAgent is loaded on the current JVM.
+// It also tags tests with the "RuntimeHints" JUnit tag.
 @EnabledIfRuntimeHintsAgent
 class SampleReflectionRuntimeHintsTests {
 

framework-docs/src/main/java/org/springframework/docs/core/aot/hints/testing/SpellCheckServiceTests.java

@@ -44,4 +44,5 @@ public class SpellCheckServiceTests {
 			hints.resources().registerPattern("dicts/*");
 		}
 	}
+
 }

framework-docs/src/main/java/org/springframework/docs/core/aot/refresh/AotProcessingSample.java

@@ -38,15 +38,13 @@ public class AotProcessingSample {
 	@ComponentScan
 	@Import({DataSourceConfiguration.class, ContainerConfiguration.class})
 	public class MyApplication {
-
 	}
 	// end::myapplication[]
 
 	class DataSourceConfiguration {
-
 	}
 
 	class ContainerConfiguration {
-
 	}
+
 }